{"schema":"threatline.record/2","record":{"id":"CVE-2026-66853","aliases":["GHSA-w4wc-g858-3672"],"summary":"Gitea restricted-user organization metadata disclosure","details":"Gitea's user organization-list API includes Limited-visibility organizations for authenticated restricted accounts without applying the visibility restriction enforced by the single-organization endpoint. A restricted user can list a known user's public organization memberships and retrieve limited organizations' names, descriptions, and avatars. This exposes organization metadata that should be hidden from the requesting account.","categories":["Unclassified"],"product":"Gitea","vendor":"Gitea","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-66853","source_modified_at":"2026-10-14T15:17:24.381Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Gitea","vendor":"Gitea","versions":[{"lessThanOrEqual":"1.27.2","status":"affected","version":"0","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"GitHub Advisory Database","source_url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-w4wc-g858-3672","source_modified_at":"2026-08-29T19:09:57Z","fetched_at":"2026-10-23T19:00:29.328130Z","package":{"ecosystem":"go","name":"code.gitea.io/gitea"},"range":"<= 1.27.2"}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-w4wc-g858-3672","source_modified_at":"2026-08-29T19:09:57Z","fetched_at":"2026-10-23T19:00:29.328130Z","package":{"ecosystem":"go","name":"code.gitea.io/gitea"},"version":"1.27.3"}],"cvss":4.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0037,"percentile":0.29776,"score_date":"2026-10-23"},"published_at":"2026-10-14T14:36:01.009Z","modified_at":"2026-10-14T15:17:24.381Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-66853","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T15:17:24.381Z"},{"source":"GitHub Advisory Database","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-w4wc-g858-3672","fetched_at":"2026-10-23T19:00:29.328130Z","source_modified_at":"2026-08-29T19:09:57Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-66853","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","GitHub Advisory Database","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-w4wc-g858-3672","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://blog.gitea.com/release-of-1.27.3/","tags":["release-notes"]},{"source":"CVE List","url":"https://github.com/go-gitea/gitea/pull/39047","tags":["patch"]},{"source":"CVE List","url":"https://github.com/go-gitea/gitea/pull/39058","tags":["patch"]},{"source":"CVE List","url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.3","tags":["release-notes"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-14T15:17:20.621835Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T15:17:24.381Z","content_hash":"900599f1ab27ecf8e9a9fde4b24d365f460f06f76b86031277ed5a788ae1f845"}}