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CVE-2026-25922

HIGH

8.8

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung8.8

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht2/12/2026

Zuletzt geandert2/18/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

goauthentik:authentik

Schwachen (CWE)

CWE-287CWE-347

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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