{"history":[{"alert":0,"cve":"CVE-2026-3502","id":23299,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.05845, \"percentile\": 0.93279}"},{"alert":0,"cve":"CVE-2026-3502","id":20779,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.05845, \"percentile\": 0.93238}"},{"alert":0,"cve":"CVE-2026-3502","id":18780,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.05845, \"percentile\": 0.93229}"},{"alert":0,"cve":"CVE-2026-3502","id":16691,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.05845, \"percentile\": 0.93226}"},{"alert":0,"cve":"CVE-2026-3502","id":14669,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.05845, \"percentile\": 0.93222}"},{"alert":0,"cve":"CVE-2026-3502","id":12455,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.05845, \"percentile\": 0.93211}"},{"alert":0,"cve":"CVE-2026-3502","id":10439,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.05845, \"percentile\": 0.93206}"},{"alert":0,"cve":"CVE-2026-3502","id":7989,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.05845, \"percentile\": 0.932}"},{"alert":0,"cve":"CVE-2026-3502","id":5768,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.05845, \"percentile\": 0.93187}"},{"alert":1,"cve":"CVE-2026-3502","id":3860,"kind":"cna","observed_at":1793701200,"payload":"{\"containers\": {\"adp\": [{\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2026-3502\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2026-03-31T00:00:00+00:00\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2026-04-02\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2026-04-03T03:55:23.638Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"third-party-advisory\"], \"url\": \"https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/\"}, {\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-04-02T00:00:00.000Z\", \"value\": \"CVE-2026-3502 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"TrueConf Client\", \"vendor\": \"TrueConf\", \"versions\": [{\"status\": \"affected\", \"version\": \"TrueConf Client versions 8.1.0 through 8.5.2\"}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.\"}], \"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"ADJACENT_NETWORK\", \"availabilityImpact\": \"LOW\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"scope\": \"CHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L\", \"version\": \"3.1\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-494\", \"description\": \"CWE-494: Download of Code Without Integrity Check.\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-03-30T18:05:42.806Z\", \"orgId\": \"897c38be-0345-43cd-b6cf-fe179e0c4f45\", \"shortName\": \"checkpoint\"}, \"references\": [{\"url\": \"https://trueconf.com/blog/update/trueconf-8-5\"}], \"title\": \"TrueConf Client Update Integrity Verification Bypass\"}}, \"cveMetadata\": {\"assignerOrgId\": \"897c38be-0345-43cd-b6cf-fe179e0c4f45\", \"assignerShortName\": \"checkpoint\", \"cveId\": \"CVE-2026-3502\", \"datePublished\": \"2026-03-30T18:05:42.806Z\", \"dateReserved\": \"2026-03-03T21:18:35.221Z\", \"dateUpdated\": \"2026-04-03T03:55:23.638Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2026-3502","id":3612,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.05845, \"percentile\": 0.93178}"},{"alert":1,"cve":"CVE-2026-3502","id":210,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2026-3502\", \"cwes\": [\"CWE-494\"], \"dateAdded\": \"2026-04-02\", \"dueDate\": \"2026-04-16\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://trueconf.com/blog/update/trueconf-8-5 ; https://trueconf.com/downloads/windows.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-3502\", \"product\": \"Client\", \"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\": \"TrueConf Client contains a download of code without integrity check vulnerability. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.\", \"vendorProject\": \"TrueConf\", \"vulnerabilityName\": \"TrueConf Client Download of Code Without Integrity Check Vulnerability\"}"}],"record":{"affected":[{"product":"TrueConf Client","vendor":"TrueConf","versions":[{"status":"affected","version":"TrueConf Client versions 8.1.0 through 8.5.2"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-3502","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-03-31T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2026-04-02","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2026-04-03T03:55:23.638Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["third-party-advisory"],"url":"https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/"},{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502"}],"timeline":[{"lang":"en","time":"2026-04-02T00:00:00.000Z","value":"CVE-2026-3502 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"TrueConf Client","vendor":"TrueConf","versions":[{"status":"affected","version":"TrueConf Client versions 8.1.0 through 8.5.2"}]}],"descriptions":[{"lang":"en","value":"TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-494","description":"CWE-494: Download of Code Without Integrity Check.","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-03-30T18:05:42.806Z","orgId":"897c38be-0345-43cd-b6cf-fe179e0c4f45","shortName":"checkpoint"},"references":[{"url":"https://trueconf.com/blog/update/trueconf-8-5"}],"title":"TrueConf Client Update Integrity Verification Bypass"}},"cveMetadata":{"assignerOrgId":"897c38be-0345-43cd-b6cf-fe179e0c4f45","assignerShortName":"checkpoint","cveId":"CVE-2026-3502","datePublished":"2026-03-30T18:05:42.806Z","dateReserved":"2026-03-03T21:18:35.221Z","dateUpdated":"2026-04-03T03:55:23.638Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794133200,"cve":"CVE-2026-3502","description":"TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.","epss":{"date":"2026-11-12","epss":0.05845,"percentile":0.93279},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2026-3502","cwes":["CWE-494"],"dateAdded":"2026-04-02","dueDate":"2026-04-16","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://trueconf.com/blog/update/trueconf-8-5 ; https://trueconf.com/downloads/windows.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-3502","product":"Client","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":"TrueConf Client contains a download of code without integrity check vulnerability. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.","vendorProject":"TrueConf","vulnerabilityName":"TrueConf Client Download of Code Without Integrity Check Vulnerability"},"kev_checked":1794522003,"products":"TrueConf TrueConf Client","references":["https://trueconf.com/blog/update/trueconf-8-5","https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502"],"score":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","provider":"checkpoint","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"TrueConf Client Update Integrity Verification Bypass","updated_at":1794500401,"workarounds":""},"sources":[]}
