CVE-2026-72537

Authentik Authentik (through version 2026.5.6) contains a privilege escalation vulnerability where an attacker with a source-scoped SCIM provisioning token can take over existing local user accounts, including the superuser. The SCIM user ingest function accepts pre-existing local accounts by use...

PT-2026-56531

The security advisory for CVE-2026-57580 has been published: https://github.com/goauthentik/authentik/security/advisories/GHSA-35v6-hv2g-6992 The security advisory for CVE-2026-54730 has been published: https://github.com/goauthentik/authentik/security/advisories/GHSA-3v9h-3hrm-29cx The security...

PT-2026-56530

The security advisory for CVE-2026-57580 has been published: https://github.com/goauthentik/authentik/security/advisories/GHSA-35v6-hv2g-6992 The security advisory for CVE-2026-54730 has been published: https://github.com/goauthentik/authentik/security/advisories/GHSA-3v9h-3hrm-29cx The security...

EUVD-2023-40420

Malicious code in bioql PyPI...

CVE-2025-53942 authentik has an insufficient check for account active status during OAuth/SAML authentication

authentik is an open-source Identity Provider that emphasizes flexibility and versatility, with support for a wide set of protocols. In versions 2025.4.4 and earlier, as well as versions 2025.6.0-rc1 through 2025.6.3, deactivated users who registered through OAuth/SAML or linked their accounts to...

CVE-2024-21637

Authentik is an open-source Identity Provider. Authentik is a vulnerable to a reflected Cross-Site Scripting vulnerability via JavaScript-URIs in OpenID Connect flows with responsemode=formpost. This relatively user could use the described attacks to perform a privilege escalation. This...

CVE-2024-23647 PKCE downgrade attack in Authentik

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...