CVE-2026-25748

HIGH

8.6

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.18.6

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado2/12/2026

Ultima modificacao2/19/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

goauthentik:authentik

Fraquezas (CWE)

CWE-287

Referencias

https://github.com/goauthentik/authentik/releases/tag/version%2F2025.10.4(security-advisories@github.com)

https://github.com/goauthentik/authentik/releases/tag/version%2F2025.12.4(security-advisories@github.com)

https://github.com/goauthentik/authentik/security/advisories/GHSA-fj56-5763-j8pp(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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