CVE-2026-49448

authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1...

authentik 授权问题漏洞

Authentik is an open-source identity provisioning application. Versions of Authentik prior to 2025.12.6, 2026.2.4, and 2026.5.1 contained vulnerabilities related to authorization. These vulnerabilities stemmed from the possibility for attackers who could modify source connections to exploit...

authentik's XML Signature Wrapping in SAML Source ACS allows authentication as arbitrary federated user

Summary authentik's SAML Source ACS endpoint is vulnerable to XML Signature Wrapping when validating upstream SAML responses. An attacker with any account at the upstream IdP can reuse a valid signed assertion to authenticate as another federated user. Patches authentik 2026.5.1, 2026.2.4 and...