CVE-2026-34840 OneUptime SSO: Multi-Assertion Identity Injection via Decoupled Signature Verification

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation App/FeatureSet/Identity/Utils/SSO.ts has decoupled signature verification and identity extraction. isSignatureValid verifies the first element in the XML DOM using...

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...

PT-2026-7894

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.8.6 authentik versions prior to 2025.10.4 authentik versions prior to 2025.12.4 Description authentik is an open-source identity provider. When using a SAML Source with the 'Verify Assertion Signature' option...

CVE-2020-5407

Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an...