CVE-2026-11883

The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, allowing an attacker who already knows a user's password to bypass the two-factor authentication requirement by submitting a malformed request...

CVE-2026-11883

The WebAuthn Provider for Two Factor WordPress plugin versions before 2.5.6 contains a vulnerability where it fails to correctly validate the second-factor authentication response. This flaw allows an attacker who already possesses a user's password to bypass the two-factor authentication (2FA) r...

EUVD-2026-40920

The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, allowing an attacker who already knows a user's password to bypass the two-factor authentication requirement by submitting a malformed request...

CVE-2026-11883 WebAuthn Provider for Two Factor < 2.5.6 - 2FA Bypass

The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, allowing an attacker who already knows a user's password to bypass the two-factor authentication requirement by submitting a malformed request...

CVE-2026-11883: Undefined Security Weakness

The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, allowing an attacker who already knows a user's password to bypass the two-factor authentication requirement by submitting a malformed request...

WebauthnAuthenticator leaks sensitive HTTP headers through INFO-level logs

Impact Webauthn\Bundle\Security\Http\Authenticator\WebauthnAuthenticator logs the full Symfony\Component\HttpFoundation\Request object inside the log context of both onAuthenticationSuccess and onAuthenticationFailure at INFO level: php $this-logger-info'User has been authenticated successfully...

Insertion of Sensitive Information into Log File

Overview web-auth/webauthn-symfony-bundle is a FIDO2/Webauthn Security Bundle For Symfony. Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File in the onAuthenticationSuccess and onAuthenticationFailure processes. An attacker can obtain sensitive...

GHSA-Q683-8468-R6H6 WebauthnAuthenticator leaks sensitive HTTP headers through INFO-level logs

Impact Webauthn\Bundle\Security\Http\Authenticator\WebauthnAuthenticator logs the full Symfony\Component\HttpFoundation\Request object inside the log context of both onAuthenticationSuccess and onAuthenticationFailure at INFO level: php $this-logger-info'User has been authenticated successfully...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.13 Images Security Update

New images are available for Red Hat build of Keycloak 26.4.13 and Red Hat build of Keycloak 26.4.13 Operator, running on OpenShift Container Platform Red Hat build of Keycloak is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Ha...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.13 Security Update

New Red Hat build of Keycloak 26.4.13 packages are available from the Customer Portal Red Hat build of Keycloak 26.4.13 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security...

GHSA-6C99-87FR-6Q7R OpenAM: Pre-auth RCE via Java Deserialization in WebAuthn Authenticator Storage

Summary Description A deserialization of untrusted data vulnerability CWE-502 exists in OpenAM's WebAuthn authentication module. Under certain conditions, this may allow an attacker to achieve arbitrary code execution in the context of the application server. This affects OpenAM Community Edition...

OpenAM: Pre-auth RCE via Java Deserialization in WebAuthn Authenticator Storage

Summary Description A deserialization of untrusted data vulnerability CWE-502 exists in OpenAM's WebAuthn authentication module. Under certain conditions, this may allow an attacker to achieve arbitrary code execution in the context of the application server. This affects OpenAM Community Edition...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the deserialization process of untrusted data in the WebAuthn authentication module. An attacker can execute arbitrary code in the context of the application server by supplying crafted serialized...

PT-2026-52178

Name of the Vulnerable Software and Affected Versions OpenAM Community Edition versions prior to 16.1.1 Description A deserialization of untrusted data issue exists in the WebAuthn authentication module. This occurs when the application fails to properly validate data before deserializing it, whi...

Authentication Bypass

Yubico java-webauthn-server is vulnerable to Authentication Bypass. The vulnerability is due to incorrect validation of a function's return value during the second-factor authentication flow, allowing attackers to bypass the intended authentication checks and impersonate legitimate users...

keycloak: org.keycloak/keycloak-services: Keycloak: Policy bypass during WebAuthn credential registration via client-side JavaScript manipulation

A flaw was found in Keycloak. An authenticated user can bypass configured WebAuthn policies during credential registration by manipulating client-side JavaScript. This occurs because the server-side processAction fails to validate that the newly created credential's parameters, such as public key...

CVE-2026-46419

Yubico webauthn-server-core aka java-webauthn-server 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.12 Security Update

New Red Hat build of Keycloak 26.4.12 packages are available from the Customer Portal Red Hat build of Keycloak 26.4.12 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security...

GHSA-W4P5-RFH6-CWRV Keycloak: Unauthorized account takeover via WebAuthn token replay

A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay ExecuteActionsActionToken tokens within Keycloak's WebAuthn Web Authentication flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's...

CVE-2026-37982 Keycloak: org.keycloak.authentication: keycloak: unauthorized account takeover via webauthn token replay

A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay ExecuteActionsActionToken tokens within Keycloak's WebAuthn Web Authentication flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's...