{"id":"GHSA-8qw8-rq86-9pc2","summary":"Gitea has insufficient permission checks for Composer package source links","details":"### CVE Description\nGitea 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.\n\n### Summary\nA critical vulnerability has been discovered in Gitea. It was already reported via (security@gitea.io) from (dev@noscope.com), and submitted an encrypted report.","aliases":["CVE-2026-27771","GO-2026-6017"],"modified":"2026-07-22T21:39:16.253450885Z","published":"2026-07-17T19:04:37Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-07-17T19:04:37Z","nvd_published_at":"2026-07-03T21:16:59Z","cwe_ids":["CWE-862"],"severity":"HIGH"},"references":[{"type":"WEB","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":"WEB","url":"https://github.com/go-gitea/gitea/pull/37610"},{"type":"WEB","url":"https://blog.gitea.com/release-of-1.26.2"},{"type":"PACKAGE","url":"https://github.com/go-gitea/gitea"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/releases/tag/v1.26.2"}],"affected":[{"package":{"name":"code.gitea.io/gitea","ecosystem":"Go","purl":"pkg:golang/code.gitea.io/gitea"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.26.2"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 1.26.1","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-8qw8-rq86-9pc2/GHSA-8qw8-rq86-9pc2.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}]}