{"action":"Upgrade github.com/authelia/authelia/v4 to 4.28.0 or later.","affected":[{"fixed":"4.28.0","introduced":"0"}],"component":"github.com/authelia/authelia/v4","cve_ids":["CVE-2021-29456"],"ecosystem":"Go","epss":0.0051,"exploited":false,"fixed_versions":["4.28.0"],"ghsa_id":"GHSA-36f2-fcrx-fp4j","id":"tcs_01M5KETB62RGV1GSY0NNDT5HT5","modified_at":"2026-07-08T06:27:26.816887269Z","published_at":"2023-03-16T16:04:56Z","references":["https://osv.dev/vulnerability/GHSA-36f2-fcrx-fp4j","https://github.com/authelia/authelia/security/advisories/GHSA-36f2-fcrx-fp4j","https://nvd.nist.gov/vuln/detail/CVE-2021-29456","https://github.com/authelia/authelia"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-36f2-fcrx-fp4j","url":"https://osv.dev/vulnerability/GHSA-36f2-fcrx-fp4j"}],"summary":"Authelia allows open redirects on the logout endpoint"}