{"history":[{"alert":0,"cve":"CVE-2026-110447","id":22972,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.73307, \"percentile\": 0.99468}"},{"alert":0,"cve":"CVE-2026-110447","id":20619,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.73307, \"percentile\": 0.99465}"},{"alert":0,"cve":"CVE-2026-110447","id":18595,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.73307, \"percentile\": 0.99464}"},{"alert":0,"cve":"CVE-2026-110447","id":16663,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.73307, \"percentile\": 0.99464}"},{"alert":0,"cve":"CVE-2026-110447","id":14641,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.73307, \"percentile\": 0.99464}"},{"alert":0,"cve":"CVE-2026-110447","id":12423,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.73307, \"percentile\": 0.99464}"},{"alert":0,"cve":"CVE-2026-110447","id":10406,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.73307, \"percentile\": 0.99463}"},{"alert":0,"cve":"CVE-2026-110447","id":7955,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.73307, \"percentile\": 0.99463}"},{"alert":0,"cve":"CVE-2026-110447","id":5731,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.73307, \"percentile\": 0.99462}"},{"alert":0,"cve":"CVE-2026-110447","id":3531,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.73307, \"percentile\": 0.99461}"},{"alert":1,"cve":"CVE-2026-110447","id":1801,"kind":"cna","observed_at":1793665375,"payload":"{\"containers\": {\"adp\": [{\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2026-110447\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2026-10-23T00:00:00+00:00\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2026-10-23\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2026-10-24T03:55:50.462Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-10-23T00:00:00.000Z\", \"value\": \"CVE-2026-110447 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"collectionURL\": \"https://apps.nextcloud.com\", \"defaultStatus\": \"affected\", \"packageName\": \"richdocumentscode\", \"product\": \"Collabora Online - Built-in CODE Server\", \"repo\": \"https://github.com/CollaboraOnline/richdocumentscode\", \"vendor\": \"Collabora\", \"versions\": [{\"lessThan\": \"26.4.303\", \"status\": \"affected\", \"version\": \"0\", \"versionType\": \"semver\"}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an OS command injection in proxy.php when the CODE server isn't running (e.g., the product was recently restarted). The vulnerability is not present in standalone Collabora Online servers; only this deployment with CODE Server is affected.\"}], \"metrics\": [{\"cvssV4_0\": {\"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"attackVector\": \"NETWORK\", \"baseScore\": 9.2, \"baseSeverity\": \"CRITICAL\", \"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:P/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\"}]}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-78\", \"description\": \"CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-10-14T02:27:42.315Z\", \"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\"}, \"references\": [{\"tags\": [\"issue-tracking\"], \"url\": \"https://github.com/CollaboraOnline/richdocumentscode/issues/354\"}, {\"tags\": [\"vendor-advisory\"], \"url\": \"https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516\"}], \"x_generator\": {\"engine\": \"CVE-Request-form 0.0.1\"}}}, \"cveMetadata\": {\"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"assignerShortName\": \"mitre\", \"cveId\": \"CVE-2026-110447\", \"datePublished\": \"2026-10-14T02:27:42.315Z\", \"dateReserved\": \"2026-10-14T02:27:41.637Z\", \"dateUpdated\": \"2026-10-24T03:55:50.462Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":1,"cve":"CVE-2026-110447","id":12,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2026-110447\", \"cwes\": [\"CWE-78\"], \"dateAdded\": \"2026-10-23\", \"dueDate\": \"2026-10-26\", \"forensicTriage\": \"Yes\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516 ; https://github.com/CollaboraOnline/online/security/advisories/GHSA-g3vx-3m76-fghh ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-110447\", \"product\": \"Collabora Online \\u2013 Built-in CODE Server\", \"requiredAction\": \"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\\u2019s \\u201cForensics Triage Requirements\\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\", \"shortDescription\": \"Collabora Collabora Online \\u2013 Built-in CODE Server when used within the NextCloud platform contains an OS command injection vulnerability that allows for remote code execution when the CODE server isn't running.\", \"vendorProject\": \"Collabora\", \"vulnerabilityName\": \"Collabora Online \\u2013 Built-in CODE Server OS Command Injection Vulnerability\"}"}],"record":{"affected":[{"collectionURL":"https://apps.nextcloud.com","defaultStatus":"affected","packageName":"richdocumentscode","product":"Collabora Online - Built-in CODE Server","repo":"https://github.com/CollaboraOnline/richdocumentscode","vendor":"Collabora","versions":[{"lessThan":"26.4.303","status":"affected","version":"0","versionType":"semver"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-110447","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-10-23T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2026-10-23","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2026-10-24T03:55:50.462Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447"}],"timeline":[{"lang":"en","time":"2026-10-23T00:00:00.000Z","value":"CVE-2026-110447 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://apps.nextcloud.com","defaultStatus":"affected","packageName":"richdocumentscode","product":"Collabora Online - Built-in CODE Server","repo":"https://github.com/CollaboraOnline/richdocumentscode","vendor":"Collabora","versions":[{"lessThan":"26.4.303","status":"affected","version":"0","versionType":"semver"}]}],"descriptions":[{"lang":"en","value":"Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an OS command injection in proxy.php when the CODE server isn't running (e.g., the product was recently restarted). The vulnerability is not present in standalone Collabora Online servers; only this deployment with CODE Server is affected."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","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:P/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"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-14T02:27:42.315Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["issue-tracking"],"url":"https://github.com/CollaboraOnline/richdocumentscode/issues/354"},{"tags":["vendor-advisory"],"url":"https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516"}],"x_generator":{"engine":"CVE-Request-form 0.0.1"}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2026-110447","datePublished":"2026-10-14T02:27:42.315Z","dateReserved":"2026-10-14T02:27:41.637Z","dateUpdated":"2026-10-24T03:55:50.462Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794522003,"cve":"CVE-2026-110447","description":"Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an OS command injection in proxy.php when the CODE server isn't running (e.g., the product was recently restarted). The vulnerability is not present in standalone Collabora Online servers; only this deployment with CODE Server is affected.","epss":{"date":"2026-11-12","epss":0.73307,"percentile":0.99468},"epss_checked":1794522003,"first_seen":1793665374,"kev":{"cveID":"CVE-2026-110447","cwes":["CWE-78"],"dateAdded":"2026-10-23","dueDate":"2026-10-26","forensicTriage":"Yes","knownRansomwareCampaignUse":"Unknown","notes":"https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516 ; https://github.com/CollaboraOnline/online/security/advisories/GHSA-g3vx-3m76-fghh ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-110447","product":"Collabora Online \u2013 Built-in CODE Server","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","shortDescription":"Collabora Collabora Online \u2013 Built-in CODE Server when used within the NextCloud platform contains an OS command injection vulnerability that allows for remote code execution when the CODE server isn't running.","vendorProject":"Collabora","vulnerabilityName":"Collabora Online \u2013 Built-in CODE Server OS Command Injection Vulnerability"},"kev_checked":1794522003,"products":"Collabora Collabora Online - Built-in CODE Server","references":["https://github.com/CollaboraOnline/richdocumentscode/issues/354","https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447"],"score":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","provider":"mitre","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/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":"Collabora Online \u2013 Built-in CODE Server OS Command Injection Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[{"canonical_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447","id":12,"publisher":"CISA KEV","title":"Collabora Online \u2013 Built-in CODE Server OS Command Injection Vulnerability"}]}