{"id":"CVE-2026-27771","aliases":["GHSA-8qw8-rq86-9pc2","GO-2026-6017"],"url":"https://o3.security/vulnerability/CVE-2026-27771","summary":"Gitea Composer package source links use insufficient permission checks","details":"Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.","published":"2026-07-03T20:19:36.924Z","modified":"2026-08-12T03:51:28.736902282Z","cvss":{"score":8.2,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Go","name":"code.gitea.io/gitea","fixedVersion":"1.26.2"}],"fix":{"url":"https://github.com/go-gitea/gitea/pull/37610","label":"go-gitea/gitea#37610"},"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/release-of-1.26.2/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27771.json"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.26.2"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-8qw8-rq86-9pc2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27771"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/37610"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:28.736902282Z"}}