High severity8.8NVD Advisory· Published Feb 12, 2026· Updated Jun 17, 2026
CVE-2026-25922
CVE-2026-25922
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4Patches
Vulnerability mechanics
References
4- github.com/goauthentik/authentik/security/advisories/GHSA-jh35-c4cc-wjm4nvdMitigationVendor Advisory
- github.com/goauthentik/authentik/releases/tag/version%2F2025.10.4nvdProductRelease Notes
- github.com/goauthentik/authentik/releases/tag/version%2F2025.12.4nvdProductRelease Notes
- github.com/goauthentik/authentik/releases/tag/version%2F2025.8.6nvdProductRelease Notes
News mentions
0No linked articles in our index yet.