{"schema_version":"2","view":"grouped","data":[{"id":56270,"cve_ids":["CVE-2026-110447"],"payload":{"kind":"advisory","title":"CVE-2026-110447","summary":"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.","evidence":"cve:CVE-2026-110447","products":[{"name":{"value":"Collabora Online - Built-in CODE Server","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"critical","structured":{"id":"CVE-2026-110447","aliases":["CVE-2026-110447"],"metrics":[{"format":"CVSS","cvssV4_0":{"Safety":"NOT_DEFINED","version":"4.0","Recovery":"NOT_DEFINED","baseScore":9.2,"Automatable":"NOT_DEFINED","attackVector":"NETWORK","baseSeverity":"CRITICAL","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","providerUrgency":"NOT_DEFINED","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"repo":"https://github.com/CollaboraOnline/richdocumentscode","vendor":"Collabora","product":"Collabora Online - Built-in CODE Server","versions":[{"status":"affected","version":"0","lessThan":"26.4.303","versionType":"semver"}],"packageName":"richdocumentscode","collectionURL":"https://apps.nextcloud.com","defaultStatus":"affected"}],"modified":"2026-10-24T03:55:50.462Z","provider":"cve","references":["https://github.com/CollaboraOnline/richdocumentscode/issues/354","https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-110447","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-23T00:00:00+00:00"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-10-23","reference":"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"}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447","tags":["government-resource"]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-24T03:55:50.462Z"}}],"cna":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2026-10-14T02:27:42.315Z"}}},"related_cves":[{"value":"CVE-2026-110447","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"},"group_id":"advisory:c2e66bd8-1251-4525-b4be-dead446a0e85","priority":{"reasons":["publisher_severity","known_exploited"],"severity":"critical","linked_cves":[{"cve":"CVE-2026-110447","metrics":[],"products":[{"name":{"value":"Collabora Online – Built-in CODE Server","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-110447","relationship":"advisory","known_exploited":true,"relationship_evidence":"/cveMetadata/cveId"}],"fix_available":false,"known_exploited":true,"publisher_severity":"critical"},"revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110447","advisory_id":"c2e66bd8-1251-4525-b4be-dead446a0e85","event_types":["advisory"],"published_at":"2026-10-25T16:11:22.920324+00:00","technologies":["collabora-online-built-in-code-server","core-cve"],"context_update":false,"extraction_method":"structured","source_published_at":"2026-10-14T02:27:42.315+00:00","detail_url":"/advisories/advisory%3Ac2e66bd8-1251-4525-b4be-dead446a0e85","group":{"id":"advisory:c2e66bd8-1251-4525-b4be-dead446a0e85","revision":1,"primary_event_id":55794,"change":"published","superseded_by":[],"changed":{"id":55794,"cve_ids":["CVE-2026-110447"],"payload":{"kind":"advisory","title":"CVE-2026-110447","summary":"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.","evidence":"cve:CVE-2026-110447","products":[{"name":{"value":"Collabora Online - Built-in CODE Server","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"critical","structured":{"id":"CVE-2026-110447","aliases":["CVE-2026-110447"],"metrics":[{"format":"CVSS","cvssV4_0":{"Safety":"NOT_DEFINED","version":"4.0","Recovery":"NOT_DEFINED","baseScore":9.2,"Automatable":"NOT_DEFINED","attackVector":"NETWORK","baseSeverity":"CRITICAL","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","providerUrgency":"NOT_DEFINED","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"repo":"https://github.com/CollaboraOnline/richdocumentscode","vendor":"Collabora","product":"Collabora Online - Built-in CODE Server","versions":[{"status":"affected","version":"0","lessThan":"26.4.303","versionType":"semver"}],"packageName":"richdocumentscode","collectionURL":"https://apps.nextcloud.com","defaultStatus":"affected"}],"modified":"2026-10-24T03:55:50.462Z","provider":"cve","references":["https://github.com/CollaboraOnline/richdocumentscode/issues/354","https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-110447","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-23T00:00:00+00:00"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-10-23","reference":"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"}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447","tags":["government-resource"]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-24T03:55:50.462Z"}}],"cna":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2026-10-14T02:27:42.315Z"}}},"related_cves":[{"value":"CVE-2026-110447","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"},"group_id":"advisory:c2e66bd8-1251-4525-b4be-dead446a0e85","priority":{"reasons":["publisher_severity","known_exploited"],"severity":"critical","linked_cves":[{"cve":"CVE-2026-110447","metrics":[],"products":[{"name":{"value":"Collabora Online – Built-in CODE Server","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-110447","relationship":"advisory","known_exploited":true,"relationship_evidence":"/cveMetadata/cveId"}],"fix_available":false,"known_exploited":true,"publisher_severity":"critical"},"revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110447","advisory_id":"c2e66bd8-1251-4525-b4be-dead446a0e85","event_types":["advisory"],"published_at":"2026-10-25T16:11:22.920324+00:00","technologies":["collabora-online-built-in-code-server","core-cve"],"context_update":false,"extraction_method":"structured","source_published_at":"2026-10-14T02:27:42.315+00:00","detail_url":"/events/55794"},"members":[{"id":55794,"cve_ids":["CVE-2026-110447"],"payload":{"kind":"advisory","title":"CVE-2026-110447","summary":"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.","evidence":"cve:CVE-2026-110447","products":[{"name":{"value":"Collabora Online - Built-in CODE Server","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"critical","structured":{"id":"CVE-2026-110447","aliases":["CVE-2026-110447"],"metrics":[{"format":"CVSS","cvssV4_0":{"Safety":"NOT_DEFINED","version":"4.0","Recovery":"NOT_DEFINED","baseScore":9.2,"Automatable":"NOT_DEFINED","attackVector":"NETWORK","baseSeverity":"CRITICAL","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","providerUrgency":"NOT_DEFINED","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"repo":"https://github.com/CollaboraOnline/richdocumentscode","vendor":"Collabora","product":"Collabora Online - Built-in CODE Server","versions":[{"status":"affected","version":"0","lessThan":"26.4.303","versionType":"semver"}],"packageName":"richdocumentscode","collectionURL":"https://apps.nextcloud.com","defaultStatus":"affected"}],"modified":"2026-10-24T03:55:50.462Z","provider":"cve","references":["https://github.com/CollaboraOnline/richdocumentscode/issues/354","https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-110447","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-23T00:00:00+00:00"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-10-23","reference":"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"}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-110447","tags":["government-resource"]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-24T03:55:50.462Z"}}],"cna":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2026-10-14T02:27:42.315Z"}}},"related_cves":[{"value":"CVE-2026-110447","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"},"group_id":"advisory:c2e66bd8-1251-4525-b4be-dead446a0e85","priority":{"reasons":["publisher_severity","known_exploited"],"severity":"critical","linked_cves":[{"cve":"CVE-2026-110447","metrics":[],"products":[{"name":{"value":"Collabora Online – Built-in CODE Server","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-110447","relationship":"advisory","known_exploited":true,"relationship_evidence":"/cveMetadata/cveId"}],"fix_available":false,"known_exploited":true,"publisher_severity":"critical"},"revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110447","advisory_id":"c2e66bd8-1251-4525-b4be-dead446a0e85","event_types":["advisory"],"published_at":"2026-10-25T16:11:22.920324+00:00","technologies":["collabora-online-built-in-code-server","core-cve"],"context_update":false,"extraction_method":"structured","source_published_at":"2026-10-14T02:27:42.315+00:00","detail_url":"/events/55794"}]}}],"next_after":56270,"next_before":56270}