{"action":"Upgrade github.com/traefik/traefik/v3 to 3.6.12 or later.","affected":[{"fixed":"3.6.12","introduced":"3.0.0-beta1"},{"fixed":"3.7.0-ea.3","introduced":"3.7.0-ea.1"}],"component":"github.com/traefik/traefik/v3","cve_ids":["CVE-2026-33433"],"ecosystem":"Go","epss":0.00487,"exploited":false,"fixed_versions":["3.6.12","3.7.0-ea.3"],"ghsa_id":"GHSA-qr99-7898-vr7c","id":"tcs_01M5KFKGCD9GR1YCGYHFH56887","modified_at":"2026-09-10T03:51:00.751092882Z","published_at":"2026-03-27T20:35:53Z","references":["https://osv.dev/vulnerability/GHSA-qr99-7898-vr7c","https://github.com/traefik/traefik/security/advisories/GHSA-qr99-7898-vr7c","https://nvd.nist.gov/vuln/detail/CVE-2026-33433","https://github.com/traefik/traefik","https://github.com/traefik/traefik/releases/tag/v2.11.42","https://github.com/traefik/traefik/releases/tag/v3.6.11","https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.3"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-qr99-7898-vr7c#Go/github.com/traefik/traefik/v3","url":"https://osv.dev/vulnerability/GHSA-qr99-7898-vr7c"},{"source":"nvd","source_id":"CVE-2026-33433","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33433"}],"summary":"Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField"}