EUVD-2026-34030

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...

EUVD-2026-34027

authentik is an open-source identity provider. Prior to versions 2025.12.5, 2026.2.3, and 2026.5.1, 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...

EUVD-2026-34025

authentik is an open-source identity provider. Prior to version 2026.2.3, the WS-Federation provider validates the user-supplied wreply parameter using a raw string prefix check rather than proper URL parsing. An attacker who can craft a login link can supply a wreply value on a different origin...

PT-2026-45859

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.6 authentik versions prior to 2026.2.4 authentik versions prior to 2026.5.1 Description authentik is an open-source identity provider. The Source stage can be bypassed by sending an empty POST request...

CVE-2026-25227

authentik is an open-source identity provider. From 2021.3.1 to before 2025.8.6, 2025.10.4, and 2025.12.4, when using delegated permissions, a User that has the permission Can view Property Mapping or Can view Expression Policy is able to execute arbitrary code within the authentik server contain...

EUVD-2024-0389

Malicious code in bioql PyPI...

EUVD-2025-14814

Malicious code in bioql PyPI...

EUVD-2022-48983

Malicious code in bioql PyPI...

EUVD-2023-52300

Malicious code in bioql PyPI...

EUVD-2025-19409

Malicious code in bioql PyPI...

EUVD-2024-37284

Malicious code in bioql PyPI...

CVE-2024-52307

authentik is an open-source identity provider. Due to the usage of a non-constant time comparison for the /-/metrics/ endpoint it was possible to brute-force the SECRETKEY, which is used to authenticate the endpoint. The /-/metrics/ endpoint returns Prometheus metrics and is not intended to be...

CVE-2024-47077

authentik is an open-source identity provider. Prior to versions 2024.8.3 and 2024.6.5, access tokens issued to one application can be stolen by that application and used to impersonate the user against any other proxy provider. Also, a user can steal an access token they were legitimately issued...

CVE-2024-23647

Authentik is an open-source Identity Provider. There is a bug in our implementation of PKCE that allows an attacker to circumvent the protection that PKCE offers. PKCE adds the codechallenge parameter to the authorization request and adds the codeverifier parameter to the token request. Prior to...

Design/Logic Flaw

authentik is an open-source Identity Provider. Prior to versions 2023.8.4 and 2023.10.2, when the default admin user has been deleted, it is potentially possible for an attacker to set the password of the default admin user without any authentication. authentik uses a blueprint to create the...