{"action":"Upgrade github.com/authelia/authelia/v4 to 4.39.20 or later.","affected":[{"fixed":"4.39.20","introduced":"4.38.0"}],"component":"github.com/authelia/authelia/v4","cve_ids":["CVE-2026-47203"],"ecosystem":"Go","epss":0.00453,"exploited":false,"fixed_versions":["4.39.20"],"ghsa_id":"GHSA-hjj4-hfjm-fmrj","id":"tcs_01M5KFCPK1ZTPCKH6PZ5GV0K2Z","modified_at":"2026-06-26T21:45:24.295336600Z","published_at":"2026-05-29T21:21:12Z","references":["https://osv.dev/vulnerability/GHSA-hjj4-hfjm-fmrj","https://github.com/authelia/authelia/security/advisories/GHSA-hjj4-hfjm-fmrj","https://nvd.nist.gov/vuln/detail/CVE-2026-47203","https://github.com/authelia/authelia/commit/b8985b57b70acdff8f204ed426ff619e763461ad","https://github.com/authelia/authelia"],"severity":{"label":"low","score":2.9},"sources":[{"source":"osv","source_id":"GHSA-hjj4-hfjm-fmrj","url":"https://osv.dev/vulnerability/GHSA-hjj4-hfjm-fmrj"},{"source":"nvd","source_id":"CVE-2026-47203","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47203"}],"summary":"Authelia Missing Username Canonicalization in Basic Auth (LDAP)"}