{"schema_version":"1.7.3","id":"GHSA-9cgq-wp42-4rpq","published":"2026-01-23T00:31:16Z","modified":"2026-02-03T03:09:19.708781Z","aliases":["BIT-gitea-2026-20888","CVE-2026-20888","GHSA-ccq9-c5hv-cf64","GO-2026-4366"],"summary":"Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface","details":"Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.","affected":[{"package":{"name":"github.com/go-gitea/gitea","ecosystem":"Go","purl":"pkg:golang/github.com/go-gitea/gitea"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-9cgq-wp42-4rpq/GHSA-9cgq-wp42-4rpq.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20888"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/pull/36341"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/pull/36356"},{"type":"WEB","url":"https://blog.gitea.com/release-of-1.25.4"},{"type":"PACKAGE","url":"https://github.com/go-gitea/gitea"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.4"}],"database_specific":{"cwe_ids":["CWE-284"],"github_reviewed":true,"github_reviewed_at":"2026-01-23T20:14:41Z","nvd_published_at":"2026-01-22T22:16:17Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}