{"id":"CVE-2026-73800","state":"PUBLISHED","title":"Gitea reusable workflow secret exposure in pull_request_target","description":"Gitea resolves local reusable workflow files from a fork's head commit when a trusted base-branch workflow runs for a pull_request_target event. A fork author can modify a referenced reusable workflow so attacker-controlled code executes with the repository and organization secrets available to that event. Exploitation requires a base workflow that calls a local reusable workflow, and bypasses the intended separation between trusted base code and untrusted fork code.","publishedAt":"2026-10-14T14:37:49.783Z","updatedAt":"2026-10-18T13:33:34.382Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Gitea","products":["Gitea Gitea"],"affected":[{"vendor":"Gitea","product":"Gitea","packageName":"gitea/gitea","defaultStatus":"unaffected","versions":[{"version":"1.19.0","status":"affected","lessThan":"1.27.2","versionType":"semver"}]}],"references":["https://github.com/go-gitea/gitea/security/advisories/GHSA-r9ch-mqjm-g67v","https://blog.gitea.com/release-of-1.27.2/","https://github.com/go-gitea/gitea/pull/38886","https://github.com/go-gitea/gitea/pull/38897","https://github.com/go-gitea/gitea/releases/tag/v1.27.2"],"weaknesses":["CWE-94","CWE-829"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73800.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73800","state":"PUBLISHED","datePublished":"2026-10-14T14:37:49.783Z","dateUpdated":"2026-10-18T13:33:34.382Z","assignerShortName":"Gitea","assignerOrgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateReserved":"2026-08-13T16:50:59.749Z"},"containers":{"cna":{"title":"Gitea reusable workflow secret exposure in pull_request_target","descriptions":[{"lang":"en","value":"Gitea resolves local reusable workflow files from a fork's head commit when a trusted base-branch workflow runs for a pull_request_target event. A fork author can modify a referenced reusable workflow so attacker-controlled code executes with the repository and organization secrets available to that event. Exploitation requires a base workflow that calls a local reusable workflow, and bypasses the intended separation between trusted base code and untrusted fork code."}],"affected":[{"vendor":"Gitea","product":"Gitea","packageName":"gitea/gitea","defaultStatus":"unaffected","versions":[{"version":"1.19.0","status":"affected","lessThan":"1.27.2","versionType":"semver"}]}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-r9ch-mqjm-g67v","name":"GitHub Security Advisory GHSA-r9ch-mqjm-g67v","tags":["vendor-advisory"]},{"url":"https://blog.gitea.com/release-of-1.27.2/","name":"Gitea 1.27.2 release announcement","tags":["release-notes"]},{"url":"https://github.com/go-gitea/gitea/pull/38886","name":"Fix: go-gitea/gitea pull request #38886","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/pull/38897","name":"Fix: go-gitea/gitea pull request #38897","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.2","name":"go-gitea/gitea v1.27.2 release","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","type":"CWE","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')"},{"cweId":"CWE-829","lang":"en","type":"CWE","description":"CWE-829: Inclusion of Functionality from Untrusted Control Sphere"}]}],"providerMetadata":{"shortName":"Gitea","orgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateUpdated":"2026-10-14T14:37:49.783Z"},"credits":[{"lang":"en","value":"https://github.com/chakradhar1228","type":"reporter"},{"lang":"en","value":"https://github.com/PhucQuan","type":"reporter"},{"lang":"en","value":"https://github.com/YuvalMil","type":"reporter"},{"lang":"en","value":"https://github.com/elmahy111","type":"reporter"},{"lang":"en","value":"https://github.com/DshtAnger","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-18T13:33:30.814752Z","id":"CVE-2026-73800","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-18T13:33:34.382Z"}}]}}}