Fiche vulnérabilité
CVE-2026-25748 : faille élevée goauthentik authentik (CVSS 7.5)
Description
authentik is an open-source identity provider. Prior to 2025.10.4 and 2025.12.4, with a malformed cookie it was possible to bypass authentication when using forward authentication in the authentik Proxy Provider when used in conjunction with Traefik or Caddy as reverse proxy. When a malicious cookie was used, none of the authentik-specific X-Authentik-* headers were set which depending on application can grant access to an attacker. authentik 2025.10.4 and 2025.12.4 fix this issue.
En bref
- Sévérité
- Élevée (CVSS 7.5)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Exploitation active
- Non signalée par la CISA
- Publication
- 12 févr. 2026
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- goauthentik authentik