{"action":"Upgrade github.com/go-gitea/gitea to 1.25.4 or later.","affected":[{"fixed":"1.25.4","introduced":"0"}],"component":"github.com/go-gitea/gitea","cve_ids":["CVE-2026-20912"],"ecosystem":"Go","epss":0.00455,"exploited":false,"fixed_versions":["1.25.4"],"ghsa_id":"GHSA-4xx9-vc8v-87hv","id":"tcs_01M5KEXEX89R1VRFNABXHHWHE9","modified_at":"2026-02-03T03:08:45.128827Z","published_at":"2026-01-23T00:31:17Z","references":["https://osv.dev/vulnerability/GHSA-4xx9-vc8v-87hv","https://nvd.nist.gov/vuln/detail/CVE-2026-20912","https://github.com/go-gitea/gitea/pull/36320","https://github.com/go-gitea/gitea/pull/36355","https://github.com/go-gitea/gitea/commit/fbea2c68e8df11cfa94e8ead913b79946780ed30","https://blog.gitea.com/release-of-1.25.4","https://github.com/go-gitea/gitea","https://github.com/go-gitea/gitea/releases/tag/v1.25.4"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-4xx9-vc8v-87hv","url":"https://osv.dev/vulnerability/GHSA-4xx9-vc8v-87hv"}],"summary":"Gitea does not properly validate repository ownership when linking attachments to releases"}