{"id":"CVE-2026-20888","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.","aliases":["BIT-gitea-2026-20888","GHSA-9cgq-wp42-4rpq","GHSA-ccq9-c5hv-cf64","GO-2026-4366"],"modified":"2026-03-23T05:00:10.195321Z","published":"2026-01-22T22:16:17.890Z","related":["SUSE-SU-2026:0403-1"],"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/release-of-1.25.4/"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.4"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36341"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36356"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/go-gitea/gitea","events":[{"introduced":"0"},{"fixed":"369830bada2fd8826a5135cb2fc66660a9bef708"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.25.4"}]}}],"versions":["v0.9.99","v1.0.0","v1.1.0","v1.10.0-dev","v1.10.0-rc1","v1.10.5","v1.11.0-dev","v1.11.0-rc1","v1.12.0-dev","v1.13.0-dev","v1.14.0-dev","v1.15.0-dev","v1.15.0-rc1","v1.16.0-dev","v1.16.0-rc1","v1.17.0-dev","v1.18.0-dev","v1.18.0-rc0","v1.19.0-dev","v1.19.0-rc0","v1.20.0-dev","v1.20.0-rc0","v1.21.0-dev","v1.21.0-rc0","v1.22.0-dev","v1.22.0-rc0","v1.22.0-rc1","v1.23.0-dev","v1.24.0-dev","v1.25.0","v1.25.0-dev","v1.25.0-rc0","v1.25.1","v1.25.2","v1.25.3","v1.26.0-dev","v1.5.0-dev","v1.5.0-rc1","v1.6.0-dev","v1.6.0-rc1","v1.7.0-dev","v1.9.0-dev","v1.9.0-rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-20888.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}