{"id":"CVE-2026-55982","state":"PUBLISHED","title":"OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes","description":"OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes","publishedAt":"2026-08-13T16:44:40.177Z","updatedAt":"2026-08-14T17:42:09.138Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"Gitea","products":["Gitea Gitea Open Source Git Server"],"affected":[{"vendor":"Gitea","product":"Gitea Open Source Git Server","defaultStatus":"unaffected","versions":[{"version":"1.26.2","status":"affected","versionType":"semver"}]}],"references":["https://github.com/go-gitea/gitea/security/advisories/GHSA-mg4f-x9v4-6h2p","https://github.com/go-gitea/gitea/releases/tag/v1.27.0","https://blog.gitea.com/gitea-1.27.0-is-released/"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55982.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55982","state":"PUBLISHED","datePublished":"2026-08-13T16:44:40.177Z","dateUpdated":"2026-08-14T17:42:09.138Z","assignerShortName":"Gitea","assignerOrgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateReserved":"2026-07-08T09:19:08.021Z"},"containers":{"cna":{"title":"OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes","descriptions":[{"lang":"en","value":"OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes"}],"affected":[{"vendor":"Gitea","product":"Gitea Open Source Git Server","defaultStatus":"unaffected","versions":[{"version":"1.26.2","status":"affected","versionType":"semver"}]}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-mg4f-x9v4-6h2p","name":"GitHub Security Advisory","tags":["vendor-advisory"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.0","name":"Gitea v1.27.0 Release","tags":["release-notes"]},{"url":"https://blog.gitea.com/gitea-1.27.0-is-released/","name":"Gitea v1.27.0 Release Blog Post","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Gitea","orgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateUpdated":"2026-08-13T16:44:40.177Z"},"credits":[{"lang":"en","value":"ybsun0215","type":"reporter"}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-mg4f-x9v4-6h2p","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T17:42:04.816118Z","id":"CVE-2026-55982","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-14T17:42:09.138Z"}}]}}}