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CVE-2026-25922

HIGH

8.8

Description

authentik is an open-source identity provider. Prior to 2025.8.6, 2025.10.4, and 2025.12.4, when using a SAML Source that has the option Verify Assertion Signature under Verification Certificate enabled and not Verify Response Signature, or does not have the Encryption Certificate setting under Advanced Protocol settings configured, it was possible for an attacker to inject a malicious assertion before the signed assertion that authentik would use instead. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie2/12/2026

Derniere modification2/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

goauthentik:authentik

Faiblesses (CWE)

CWE-287CWE-347

References

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/releases/tag/version%2F2025.8.6(security-advisories@github.com)

https://github.com/goauthentik/authentik/security/advisories/GHSA-jh35-c4cc-wjm4(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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