{"history":[{"alert":0,"cve":"CVE-2026-41940","id":23283,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.98527, \"percentile\": 0.99922}"},{"alert":0,"cve":"CVE-2026-41940","id":20763,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":0,"cve":"CVE-2026-41940","id":18764,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":0,"cve":"CVE-2026-41940","id":16835,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":0,"cve":"CVE-2026-41940","id":14813,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":0,"cve":"CVE-2026-41940","id":12600,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":0,"cve":"CVE-2026-41940","id":10584,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":0,"cve":"CVE-2026-41940","id":8134,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":0,"cve":"CVE-2026-41940","id":5913,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":1,"cve":"CVE-2026-41940","id":3853,"kind":"cna","observed_at":1793701200,"payload":"{\"containers\": {\"adp\": [{\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2026-41940\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2026-04-29T00:00:00+00:00\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2026-04-30\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2026-08-11T03:55:30.673Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"exploit\"], \"url\": \"https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py\"}, {\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-04-30T00:00:00.000Z\", \"value\": \"CVE-2026-41940 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}, {\"providerMetadata\": {\"dateUpdated\": \"2026-05-04T16:13:16.841Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"url\": \"https://www.bleepingcomputer.com/news/security/critrical-cpanel-flaw-mass-exploited-in-sorry-ransomware-attacks/\"}, {\"url\": \"https://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-down-cpanel-whm-authentication-bypass-cve-2026-41940/\"}], \"title\": \"CVE Program Container\", \"x_generator\": {\"engine\": \"ADPogram 0.0.1\"}}], \"cna\": {\"affected\": [{\"defaultStatus\": \"affected\", \"product\": \"cPanel\", \"vendor\": \"WebPros\", \"versions\": [{\"lessThan\": \"11.86.0.41\", \"status\": \"affected\", \"version\": \"11.40.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.94.0.28\", \"status\": \"affected\", \"version\": \"11.88.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.102.0.39\", \"status\": \"affected\", \"version\": \"11.96.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.110.0.97\", \"status\": \"affected\", \"version\": \"11.104.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.118.0.63\", \"status\": \"affected\", \"version\": \"11.112.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.124.0.35\", \"status\": \"affected\", \"version\": \"11.120.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.126.0.54\", \"status\": \"affected\", \"version\": \"11.126.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.130.0.19\", \"status\": \"affected\", \"version\": \"11.128.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.132.0.29\", \"status\": \"affected\", \"version\": \"11.132.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.134.0.20\", \"status\": \"affected\", \"version\": \"11.134.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.136.0.5\", \"status\": \"affected\", \"version\": \"11.136.0.0\", \"versionType\": \"custom\"}]}, {\"defaultStatus\": \"unaffected\", \"product\": \"WP Squared\", \"vendor\": \"WebPros\", \"versions\": [{\"lessThan\": \"11.136.1.7\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\"}]}, {\"defaultStatus\": \"affected\", \"product\": \"WHM\", \"vendor\": \"WebPros\", \"versions\": [{\"lessThan\": \"11.86.0.41\", \"status\": \"affected\", \"version\": \"11.40.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.94.0.28\", \"status\": \"affected\", \"version\": \"11.88.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.102.0.39\", \"status\": \"affected\", \"version\": \"11.96.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.110.0.97\", \"status\": \"affected\", \"version\": \"11.104.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.118.0.63\", \"status\": \"affected\", \"version\": \"11.112.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.124.0.35\", \"status\": \"affected\", \"version\": \"11.120.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.126.0.54\", \"status\": \"affected\", \"version\": \"11.126.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.130.0.19\", \"status\": \"affected\", \"version\": \"11.128.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.132.0.29\", \"status\": \"affected\", \"version\": \"11.132.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.134.0.20\", \"status\": \"affected\", \"version\": \"11.134.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"11.136.0.5\", \"status\": \"affected\", \"version\": \"11.136.0.0\", \"versionType\": \"custom\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.86.0.41\", \"versionStartIncluding\": \"11.40.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.94.0.28\", \"versionStartIncluding\": \"11.88.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.102.0.39\", \"versionStartIncluding\": \"11.96.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.110.0.97\", \"versionStartIncluding\": \"11.104.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.118.0.63\", \"versionStartIncluding\": \"11.112.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.124.0.35\", \"versionStartIncluding\": \"11.120.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.126.0.54\", \"versionStartIncluding\": \"11.126.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.130.0.19\", \"versionStartIncluding\": \"11.128.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.132.0.29\", \"versionStartIncluding\": \"11.132.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.134.0.20\", \"versionStartIncluding\": \"11.134.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.136.0.5\", \"versionStartIncluding\": \"11.136.0.0\", \"vulnerable\": true}], \"operator\": \"OR\"}]}, {\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.86.0.41\", \"versionStartIncluding\": \"11.40.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.94.0.28\", \"versionStartIncluding\": \"11.88.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.102.0.39\", \"versionStartIncluding\": \"11.96.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.110.0.97\", \"versionStartIncluding\": \"11.104.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.118.0.63\", \"versionStartIncluding\": \"11.112.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.124.0.35\", \"versionStartIncluding\": \"11.120.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.126.0.54\", \"versionStartIncluding\": \"11.126.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.130.0.19\", \"versionStartIncluding\": \"11.128.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.132.0.29\", \"versionStartIncluding\": \"11.132.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"11.130.0.18\", \"versionStartIncluding\": \"11.134.0.0\", \"vulnerable\": true}], \"operator\": \"OR\"}]}, {\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:cpanel:wp_squared:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"136.1.7\", \"vulnerable\": true}], \"operator\": \"OR\"}]}], \"datePublic\": \"2026-04-28T00:00:00.000Z\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.\"}], \"metrics\": [{\"cvssV4_0\": {\"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"attackVector\": \"NETWORK\", \"baseScore\": 9.3, \"baseSeverity\": \"CRITICAL\", \"exploitMaturity\": \"NOT_DEFINED\", \"privilegesRequired\": \"NONE\", \"providerUrgency\": \"NOT_DEFINED\", \"subAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N\", \"version\": \"4.0\", \"vulnAvailabilityImpact\": \"HIGH\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnIntegrityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}, {\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-306\", \"description\": \"CWE-306 Missing Authentication for Critical Function\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-09-30T17:20:17.713Z\", \"orgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"shortName\": \"VulnCheck\"}, \"references\": [{\"tags\": [\"vendor-advisory\", \"patch\"], \"url\": \"https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026\"}, {\"tags\": [\"release-notes\"], \"url\": \"https://docs.cpanel.net/release-notes/release-notes\"}, {\"tags\": [\"release-notes\"], \"url\": \"https://docs.wpsquared.com/changelogs/versions/changelog/#13617\"}, {\"tags\": [\"third-party-advisory\"], \"url\": \"https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026\"}, {\"tags\": [\"third-party-advisory\"], \"url\": \"https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flow\"}], \"source\": {\"discovery\": \"EXTERNAL\"}, \"title\": \"WebPros cPanel and WHM Authentication Bypass via Login Flow\", \"x_generator\": {\"engine\": \"Vulnogram 1.0.2\"}}}, \"cveMetadata\": {\"assignerOrgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"assignerShortName\": \"VulnCheck\", \"cveId\": \"CVE-2026-41940\", \"datePublished\": \"2026-04-29T15:10:37.899Z\", \"dateReserved\": \"2026-04-22T18:50:43.621Z\", \"dateUpdated\": \"2026-09-30T17:20:17.713Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2026-41940","id":3601,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.98527, \"percentile\": 0.99921}"},{"alert":1,"cve":"CVE-2026-41940","id":181,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2026-41940\", \"cwes\": [\"CWE-306\"], \"dateAdded\": \"2026-04-30\", \"dueDate\": \"2026-05-03\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Known\", \"notes\": \"https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026 ; https://docs.cpanel.net/release-notes/release-notes/ ; https://docs.wpsquared.com/changelogs/versions/changelog/#13617 ; https://nvd.nist.gov/vuln/detail/CVE-2026-41940\\\"\", \"product\": \"cPanel & WHM and WP2 (WordPress Squared)\", \"requiredAction\": \"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\", \"shortDescription\": \"WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.\", \"vendorProject\": \"WebPros\", \"vulnerabilityName\": \"WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability\"}"}],"record":{"affected":[{"defaultStatus":"affected","product":"cPanel","vendor":"WebPros","versions":[{"lessThan":"11.86.0.41","status":"affected","version":"11.40.0.0","versionType":"custom"},{"lessThan":"11.94.0.28","status":"affected","version":"11.88.0.0","versionType":"custom"},{"lessThan":"11.102.0.39","status":"affected","version":"11.96.0.0","versionType":"custom"},{"lessThan":"11.110.0.97","status":"affected","version":"11.104.0.0","versionType":"custom"},{"lessThan":"11.118.0.63","status":"affected","version":"11.112.0.0","versionType":"custom"},{"lessThan":"11.124.0.35","status":"affected","version":"11.120.0.0","versionType":"custom"},{"lessThan":"11.126.0.54","status":"affected","version":"11.126.0.0","versionType":"custom"},{"lessThan":"11.130.0.19","status":"affected","version":"11.128.0.0","versionType":"custom"},{"lessThan":"11.132.0.29","status":"affected","version":"11.132.0.0","versionType":"custom"},{"lessThan":"11.134.0.20","status":"affected","version":"11.134.0.0","versionType":"custom"},{"lessThan":"11.136.0.5","status":"affected","version":"11.136.0.0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"WP Squared","vendor":"WebPros","versions":[{"lessThan":"11.136.1.7","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"affected","product":"WHM","vendor":"WebPros","versions":[{"lessThan":"11.86.0.41","status":"affected","version":"11.40.0.0","versionType":"custom"},{"lessThan":"11.94.0.28","status":"affected","version":"11.88.0.0","versionType":"custom"},{"lessThan":"11.102.0.39","status":"affected","version":"11.96.0.0","versionType":"custom"},{"lessThan":"11.110.0.97","status":"affected","version":"11.104.0.0","versionType":"custom"},{"lessThan":"11.118.0.63","status":"affected","version":"11.112.0.0","versionType":"custom"},{"lessThan":"11.124.0.35","status":"affected","version":"11.120.0.0","versionType":"custom"},{"lessThan":"11.126.0.54","status":"affected","version":"11.126.0.0","versionType":"custom"},{"lessThan":"11.130.0.19","status":"affected","version":"11.128.0.0","versionType":"custom"},{"lessThan":"11.132.0.29","status":"affected","version":"11.132.0.0","versionType":"custom"},{"lessThan":"11.134.0.20","status":"affected","version":"11.134.0.0","versionType":"custom"},{"lessThan":"11.136.0.5","status":"affected","version":"11.136.0.0","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-41940","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-04-29T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2026-04-30","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2026-08-11T03:55:30.673Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py"},{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940"}],"timeline":[{"lang":"en","time":"2026-04-30T00:00:00.000Z","value":"CVE-2026-41940 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2026-05-04T16:13:16.841Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://www.bleepingcomputer.com/news/security/critrical-cpanel-flaw-mass-exploited-in-sorry-ransomware-attacks/"},{"url":"https://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-down-cpanel-whm-authentication-bypass-cve-2026-41940/"}],"title":"CVE Program Container","x_generator":{"engine":"ADPogram 0.0.1"}}],"cna":{"affected":[{"defaultStatus":"affected","product":"cPanel","vendor":"WebPros","versions":[{"lessThan":"11.86.0.41","status":"affected","version":"11.40.0.0","versionType":"custom"},{"lessThan":"11.94.0.28","status":"affected","version":"11.88.0.0","versionType":"custom"},{"lessThan":"11.102.0.39","status":"affected","version":"11.96.0.0","versionType":"custom"},{"lessThan":"11.110.0.97","status":"affected","version":"11.104.0.0","versionType":"custom"},{"lessThan":"11.118.0.63","status":"affected","version":"11.112.0.0","versionType":"custom"},{"lessThan":"11.124.0.35","status":"affected","version":"11.120.0.0","versionType":"custom"},{"lessThan":"11.126.0.54","status":"affected","version":"11.126.0.0","versionType":"custom"},{"lessThan":"11.130.0.19","status":"affected","version":"11.128.0.0","versionType":"custom"},{"lessThan":"11.132.0.29","status":"affected","version":"11.132.0.0","versionType":"custom"},{"lessThan":"11.134.0.20","status":"affected","version":"11.134.0.0","versionType":"custom"},{"lessThan":"11.136.0.5","status":"affected","version":"11.136.0.0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"WP Squared","vendor":"WebPros","versions":[{"lessThan":"11.136.1.7","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"affected","product":"WHM","vendor":"WebPros","versions":[{"lessThan":"11.86.0.41","status":"affected","version":"11.40.0.0","versionType":"custom"},{"lessThan":"11.94.0.28","status":"affected","version":"11.88.0.0","versionType":"custom"},{"lessThan":"11.102.0.39","status":"affected","version":"11.96.0.0","versionType":"custom"},{"lessThan":"11.110.0.97","status":"affected","version":"11.104.0.0","versionType":"custom"},{"lessThan":"11.118.0.63","status":"affected","version":"11.112.0.0","versionType":"custom"},{"lessThan":"11.124.0.35","status":"affected","version":"11.120.0.0","versionType":"custom"},{"lessThan":"11.126.0.54","status":"affected","version":"11.126.0.0","versionType":"custom"},{"lessThan":"11.130.0.19","status":"affected","version":"11.128.0.0","versionType":"custom"},{"lessThan":"11.132.0.29","status":"affected","version":"11.132.0.0","versionType":"custom"},{"lessThan":"11.134.0.20","status":"affected","version":"11.134.0.0","versionType":"custom"},{"lessThan":"11.136.0.5","status":"affected","version":"11.136.0.0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.86.0.41","versionStartIncluding":"11.40.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.94.0.28","versionStartIncluding":"11.88.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.102.0.39","versionStartIncluding":"11.96.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.110.0.97","versionStartIncluding":"11.104.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.118.0.63","versionStartIncluding":"11.112.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.124.0.35","versionStartIncluding":"11.120.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.126.0.54","versionStartIncluding":"11.126.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.130.0.19","versionStartIncluding":"11.128.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.132.0.29","versionStartIncluding":"11.132.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.134.0.20","versionStartIncluding":"11.134.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*","versionEndExcluding":"11.136.0.5","versionStartIncluding":"11.136.0.0","vulnerable":true}],"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.86.0.41","versionStartIncluding":"11.40.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.94.0.28","versionStartIncluding":"11.88.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.102.0.39","versionStartIncluding":"11.96.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.110.0.97","versionStartIncluding":"11.104.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.118.0.63","versionStartIncluding":"11.112.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.124.0.35","versionStartIncluding":"11.120.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.126.0.54","versionStartIncluding":"11.126.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.130.0.19","versionStartIncluding":"11.128.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.132.0.29","versionStartIncluding":"11.132.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*","versionEndExcluding":"11.130.0.18","versionStartIncluding":"11.134.0.0","vulnerable":true}],"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:cpanel:wp_squared:*:*:*:*:*:*:*:*","versionEndExcluding":"136.1.7","vulnerable":true}],"operator":"OR"}]}],"datePublic":"2026-04-28T00:00:00.000Z","descriptions":[{"lang":"en","value":"cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-30T17:20:17.713Z","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026"},{"tags":["release-notes"],"url":"https://docs.cpanel.net/release-notes/release-notes"},{"tags":["release-notes"],"url":"https://docs.wpsquared.com/changelogs/versions/changelog/#13617"},{"tags":["third-party-advisory"],"url":"https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026"},{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flow"}],"source":{"discovery":"EXTERNAL"},"title":"WebPros cPanel and WHM Authentication Bypass via Login Flow","x_generator":{"engine":"Vulnogram 1.0.2"}}},"cveMetadata":{"assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","assignerShortName":"VulnCheck","cveId":"CVE-2026-41940","datePublished":"2026-04-29T15:10:37.899Z","dateReserved":"2026-04-22T18:50:43.621Z","dateUpdated":"2026-09-30T17:20:17.713Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794133200,"cve":"CVE-2026-41940","description":"cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.","epss":{"date":"2026-11-12","epss":0.98527,"percentile":0.99922},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2026-41940","cwes":["CWE-306"],"dateAdded":"2026-04-30","dueDate":"2026-05-03","forensicTriage":"No","knownRansomwareCampaignUse":"Known","notes":"https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026 ; https://docs.cpanel.net/release-notes/release-notes/ ; https://docs.wpsquared.com/changelogs/versions/changelog/#13617 ; https://nvd.nist.gov/vuln/detail/CVE-2026-41940\"","product":"cPanel & WHM and WP2 (WordPress Squared)","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.","vendorProject":"WebPros","vulnerabilityName":"WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability"},"kev_checked":1794522003,"products":"WebPros cPanel, WebPros WP Squared, WebPros WHM","references":["https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026","https://docs.cpanel.net/release-notes/release-notes","https://docs.wpsquared.com/changelogs/versions/changelog/#13617","https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026","https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flow","https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940","https://www.bleepingcomputer.com/news/security/critrical-cpanel-flaw-mass-exploited-in-sorry-ransomware-attacks/","https://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-down-cpanel-whm-authentication-bypass-cve-2026-41940/"],"score":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","provider":"VulnCheck","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"solutions":"","state":"PUBLISHED","title":"WebPros cPanel and WHM Authentication Bypass via Login Flow","updated_at":1794500401,"workarounds":""},"sources":[]}
