{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73802", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-08-13T16:50:59.169Z", "datePublished": "2026-10-14T14:37:55.141Z", "dateUpdated": "2026-10-14T14:37:55.141Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-10-14T14:37:55.141Z"}, "title": "Gitea Runner host isolation bypass through container options", "descriptions": [{"lang": "en", "value": "Gitea Runner passes workflow-controlled container options into Docker job container configuration while privileged mode is disabled. Host namespace settings, expanded capabilities, and security profile overrides can remain effective despite Privileged being forced false. A workflow author able to run jobs on an affected Docker-backed runner can use these options to access host namespaces and execute commands as root on the runner host, bypassing the intended container isolation."}], "affected": [{"vendor": "Gitea", "product": "Gitea Runner", "packageName": "gitea.com/gitea/runner", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "lessThan": "3.0.0", "versionType": "semver"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-x4q3-gcj3-m6cf", "name": "GitHub Security Advisory GHSA-x4q3-gcj3-m6cf", "tags": ["vendor-advisory"]}, {"url": "https://blog.gitea.com/release-of-runner-3.0.0/", "name": "Gitea Runner 3.0.0 release announcement", "tags": ["release-notes"]}, {"url": "https://gitea.com/gitea/runner/releases/tag/v3.0.0", "name": "gitea/runner v3.0.0 release", "tags": ["release-notes"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269: Improper Privilege Management"}]}], "credits": [{"lang": "en", "value": "https://github.com/sn0x-sharma", "type": "reporter"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "gitea.com/gitea/runner", "product": "Gitea Runner", "vendor": "Gitea", "versions": [{"lessThan": "3.0.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Gitea Runner passes workflow-controlled container options into Docker job container configuration while privileged mode is disabled. Host namespace settings, expanded capabilities, and security profile overrides can remain effective despite Privileged being forced false. A workflow author able to run jobs on an affected Docker-backed runner can use these options to access host namespaces and execute commands as root on the runner host, bypassing the intended container isolation."}], "id": "CVE-2026-73802", "lastModified": "2026-10-14T16:04:39.483", "metrics": {}, "published": "2026-10-14T15:17:24.670", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/release-of-runner-3.0.0/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://gitea.com/gitea/runner/releases/tag/v3.0.0"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-x4q3-gcj3-m6cf"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}

{}