{"action":"Upgrade code.gitea.io/gitea to 1.26.3 or later.","affected":[{"fixed":"1.26.3","introduced":"1.5.0"}],"component":"code.gitea.io/gitea","cve_ids":["CVE-2026-20779"],"ecosystem":"Go","epss":0.00492,"exploited":false,"fixed_versions":["1.26.3"],"ghsa_id":"GHSA-gx3v-q759-g323","id":"tcs_01M5KFBK0PZ9EGXAX64GE2JNPQ","modified_at":"2026-07-22T21:11:15.451515797Z","published_at":"2026-07-21T21:57:24Z","references":["https://osv.dev/vulnerability/GHSA-gx3v-q759-g323","https://github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323","https://nvd.nist.gov/vuln/detail/CVE-2026-20779","https://github.com/go-gitea/gitea/pull/38151","https://github.com/go-gitea/gitea/commit/99f8b3d9a1d32f4c39828e07971455a18191e0b9","https://blog.gitea.com/release-of-1.26.3-and-1.26.4","https://github.com/go-gitea/gitea","https://github.com/go-gitea/gitea/releases/tag/v1.26.3"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-gx3v-q759-g323","url":"https://osv.dev/vulnerability/GHSA-gx3v-q759-g323"}],"summary":"Gitea: TOTP TOCTOU race on web 2FA paths + missing replay check on Basic-Auth `X-Gitea-OTP` surface"}