CVE-2026-57175

A flaw was found in social-auth-core. The Security Assertion Markup Language SAML backend accepts authentication responses without verifying that they correspond to a previously issued authentication request. A remote authenticated attacker with a valid account on a trusted Identity Provider IdP...

GHSA-9993-RFWP-RHWF ZITADEL: MFA bypass via session reuse in Login V2

Summary A vulnerability in ZITADEL’s Login V2 UI allowed a password-verified browser session to be reused for a new authentication request without re-checking a user’s enrolled second factor TOTP, OTP, or U2F. An attacker who already knows valid credentials can fully authenticate to an applicatio...

ZITADEL: MFA bypass via session reuse in Login V2

Summary A vulnerability in ZITADEL’s Login V2 UI allowed a password-verified browser session to be reused for a new authentication request without re-checking a user’s enrolled second factor TOTP, OTP, or U2F. An attacker who already knows valid credentials can fully authenticate to an applicatio...

CVE-2026-85056

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...

CVE-2026-57175

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could...

DEBIAN-CVE-2026-57175

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could...

CVE-2026-85056 ZITADEL: MFA bypass via session reuse in Login V2

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...

CVE-2026-85056

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...

CVE-2026-85056 ZITADEL: MFA bypass via session reuse in Login V2

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...

EUVD-2026-86324

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...

CVE-2026-85056

The identity management platform ZITADEL is vulnerable to an MFA bypass in Login V2 (versions 4.0.0 through 4.16.1). The root cause is that the system creates a browser session after password verification and allows it to be reused for subsequent requests without verifying enrolled TOTP, OTP, or ...

CVE-2026-85056 ZITADEL: MFA bypass via session reuse in Login V2

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...

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-2026-94613

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-2026-57175 social-auth-core has an Improper Authentication issue

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could...

CVE-2026-57175 social-auth-core has an Improper Authentication issue

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could...

CVE-2026-57175

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued "AuthnRequest". Applications using SAML account association cou...

CVE-2026-57175

The Python Social Auth SAML backend is vulnerable to an improper authentication issue prior to version 5.0.0 . The root cause is the failure to verify that SAML responses on the Assertion Consumer Service endpoint match a previously issued AuthnRequest. An attacker with a valid account on a trust...

CVE-2026-57175 social-auth-core has an Improper Authentication issue

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could...

CVE-2026-57175

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could...