CVE-2026-10906

Use after free in WebAuthentication in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. Chromium security severity: High...

PT-2026-46771

Insufficient validation of untrusted input in WebAuthentication in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. Chromium security severity: Low...

PT-2026-46790

Name of the Vulnerable Software and Affected Versions Google Chrome on Android versions prior to 149.0.7827.53 Description Insufficient policy enforcement in WebAuthentication allows a remote attacker who has compromised the renderer process to leak cross-origin data through a crafted HTML page...

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...

Astra Linux – Vulnerability in Firefox and Thunderbird

A bug in the interaction of popup notifications with WebAuthn makes it easier for attackers to trick users into granting permissions. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11...

Astra Linux – Vulnerability in Chromium

Before version 91.0.4472.77, using WebAuthentication in Google Chrome on Android allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption through a crafted HTML page...

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

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...

CVE-2026-37982

Keycloak contains an authentication vulnerability (CVE-2026-37982) where an attacker can replay ExecuteActionsActionToken tokens in the WebAuthn flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim’s account, enabling unauthorized enrol...

EUVD-2026-30886

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

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

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...

GHSA-G8VR-X4QH-25QG 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-2026-8830

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-2026-8830 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-2026-8830 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...

Client-Side Enforcement of Server-Side Security

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Client-Side Enforcement of Server-Side Security through the processAction registration flow in the WebAuthn...

PT-2026-41872

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the WebAuthn Web Authentication flow allows a remote attacker to replay ExecuteActionsActionToken tokens. By intercepting an execute-actions email link, an attacker can register...

PT-2026-41833

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description An authenticated user can bypass configured WebAuthn policies during credential registration by manipulating client-side JavaScript. The issue exists because the server-side processAction...