CVE-2026-94612

The authentik identity provider is vulnerable to an authentication bypass via assertion confusion in SAML Sources prior to versions 2026.2.7, 2026.5.7, and 2026.8.2. The root cause is that the SAML Source verifies an assertion's signature and validity period but fails to ensure the assertion was ...

EUVD-2026-86276

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an authentik SAML Source verifies an assertion's signature and validity period but does not ensure that the identity provider issued the assertion for that Source or in response to a login request from that...

CVE-2026-94612

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an authentik SAML Source verifies an assertion's signature and validity period but does not ensure that the identity provider issued the assertion for that Source or in response to a login request from that...

CVE-2026-94612 authentik: Authentication bypass via assertion confusion in SAML sources

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an authentik SAML Source verifies an assertion's signature and validity period but does not ensure that the identity provider issued the assertion for that Source or in response to a login request from that...

CVE-2026-94612 authentik: Authentication bypass via assertion confusion in SAML sources

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an authentik SAML Source verifies an assertion's signature and validity period but does not ensure that the identity provider issued the assertion for that Source or in response to a login request from that...

CVE-2026-94613

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an unauthenticated attacker can submit a malformed SAML message to an authentik deployment using SAML in either the identity-provider or SAML source role. The message can stop the worker handling...

CVE-2026-94613

The authentik identity provider is vulnerable to a Denial of Service (DoS) attack via malformed SAML messages. An unauthenticated attacker can submit a message containing specific Document Type Declarations that cause the worker process handling /application/saml/* or /source/saml/* to stop. This...

EUVD-2026-86122

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an unauthenticated attacker can submit a malformed SAML message to an authentik deployment using SAML in either the identity-provider or SAML source role. The message can stop the worker handling...

CVE-2026-94613 authentik: Denial of Service via Document Type Declarations in SAML Messages

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an unauthenticated attacker can submit a malformed SAML message to an authentik deployment using SAML in either the identity-provider or SAML source role. The message can stop the worker handling...

CVE-2026-94613 authentik: Denial of Service via Document Type Declarations in SAML Messages

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an unauthenticated attacker can submit a malformed SAML message to an authentik deployment using SAML in either the identity-provider or SAML source role. The message can stop the worker handling...

CVE-2026-94613 authentik: Denial of Service via Document Type Declarations in SAML Messages

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an unauthenticated attacker can submit a malformed SAML message to an authentik deployment using SAML in either the identity-provider or SAML source role. The message can stop the worker handling...

CVE-2026-88907 SAML ePPN Attribute Validation Bypass in TÜBİTAK ULAKBİM's UlakPDF

Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass. This issue affects UlakPDF: through 09092026...

CVE-2026-88907

The software TÜBİTAK ULAKBİM UlakPDF contains an Incorrect Authorization vulnerability that enables an Authentication Bypass . This issue is specifically linked to a SAML ePPN Attribute Validation Bypass . The vulnerability affects versions through 09092026 . The impact includes high levels of co...

PT-2026-98036

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2026.2.7 authentik versions prior to 2026.5.7 authentik versions prior to 2026.8.2 Description An unauthenticated attacker can submit a malformed SAML message to a deployment using SAML in the identity-provider or...

CVE-2026-94612: Improper Authentication

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an authentik SAML Source verifies an assertion's signature and validity period but does not ensure that the identity provider issued the assertion for that Source or in response to a login request from that...

PT-2026-98187

Name of the Vulnerable Software and Affected Versions Python Social Auth versions prior to 5.0.0 Description The SAML backend accepts SAML responses on the Assertion Consumer Service endpoint without verifying that they match a previously issued AuthnRequest. This flaw allows an attacker with a...

CVE-2026-94613: Allocation of Resources Without Limits or Throttling

authentik is an open-source identity provider. Prior to 2026.2.7, 2026.5.7, and 2026.8.2, an unauthenticated attacker can submit a malformed SAML message to an authentik deployment using SAML in either the identity-provider or SAML source role. The message can stop the worker handling...

CVE-2026-85056: Improper Authentication

ZITADEL is an open source identity management platform. From 4.0.0 until 4.16.1, ZITADEL Login V2 creates a browser session after password verification and can reuse that session for a later authentication request without verifying a user's enrolled TOTP, OTP, or U2F second factor. When the MFA...

PT-2026-98035

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2026.2.7 authentik versions prior to 2026.5.7 authentik versions prior to 2026.8.2 Description An issue exists in the SAML Source where the system verifies the signature and validity period of an assertion but fails...

PT-2026-98200

Name of the Vulnerable Software and Affected Versions ZITADEL versions 4.0.0 through 4.16.0 Description ZITADEL Login V2 creates a browser session immediately after password verification. This session can be reused for subsequent authentication requests without verifying a user's enrolled second...