{"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-2026-20897"],"ecosystem":"Go","epss":0.00455,"exploited":false,"fixed_versions":["1.25.4"],"ghsa_id":"GHSA-393c-qgvj-3xph","id":"tcs_01M5KETG1RCQ0AC885J55NBKA8","modified_at":"2026-02-03T03:08:43.732262Z","published_at":"2026-01-23T00:31:16Z","references":["https://osv.dev/vulnerability/GHSA-393c-qgvj-3xph","https://nvd.nist.gov/vuln/detail/CVE-2026-20897","https://github.com/go-gitea/gitea/pull/36344","https://github.com/go-gitea/gitea/pull/36349","https://github.com/go-gitea/gitea/commit/da036f3f35ca830b22cf4480912ed261303b798f","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":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-393c-qgvj-3xph","url":"https://osv.dev/vulnerability/GHSA-393c-qgvj-3xph"},{"source":"nvd","source_id":"CVE-2026-20897","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20897"}],"summary":"Gitea does not properly validate repository ownership when deleting Git LFS locks"}