{"schema_version":"1.9.0","id":"BIT-gitea-2026-20888","published":"2026-01-30T08:40:43.950Z","modified":"2026-09-08T08:47:33.992081785Z","aliases":["CVE-2026-20888","GHSA-9cgq-wp42-4rpq","GHSA-ccq9-c5hv-cf64","GO-2026-4366"],"summary":"Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)","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":"gitea","ecosystem":"Bitnami","purl":"pkg:bitnami/gitea"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/gitea/BIT-gitea-2026-20888.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}],"references":[{"type":"ARTICLE","url":"https://blog.gitea.com/release-of-1.25.4/"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36341"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36356"},{"type":"ARTICLE","url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.4"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20888"}],"database_specific":{"cpes":["cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*"],"severity":"Medium"}}