PT-2026-45029

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.5 authentik versions prior to 2026.2.3 authentik versions prior to 2026.5.1 Description The SAML Source ACS endpoint is susceptible to XML Signature Wrapping, a technique where a valid signature is used to...

CVE-2026-40165: Improper Authentication

authentik is an open-source identity provider. Versions 2025.12.4 and prior, and versions 2026.2.0-rc1 through 2026.2.2 were vulnerable to Authentication Bypass through SAML NameID XML Comment Injection. Due to how authentik extracted the NameID value from a SAML assertion, it was possible for an...

CVE-2026-25922

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...

CVE-2026-25922: Improper Authentication

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...