{"action":"Upgrade code.gitea.io/gitea to 1.25.4 or later.","affected":[{"fixed":"1.25.4","introduced":"0"}],"component":"code.gitea.io/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_01M5KGDCZ2G0DC88S0G7VT6PQZ","modified_at":"2026-03-03T04:57:55.747880Z","published_at":"2026-02-02T21:05:55Z","references":["https://osv.dev/vulnerability/GO-2026-4364","https://github.com/advisories/GHSA-4xx9-vc8v-87hv","https://nvd.nist.gov/vuln/detail/CVE-2026-20912","https://blog.gitea.com/release-of-1.25.4","https://github.com/go-gitea/gitea/commit/fbea2c68e8df11cfa94e8ead913b79946780ed30","https://github.com/go-gitea/gitea/pull/36320","https://github.com/go-gitea/gitea/pull/36355","https://github.com/go-gitea/gitea/releases/tag/v1.25.4"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GO-2026-4364","url":"https://osv.dev/vulnerability/GO-2026-4364"},{"source":"nvd","source_id":"CVE-2026-20912","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20912"}],"summary":"Gitea does not properly validate repository ownership when linking attachments to releases in code.gitea.io/gitea"}