Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the CheckAllowedOrigins process. An attacker can bypass strict origin validation by submitting authentication or registration responses with a manipulated origin value that matches only the host component,...

EUVD-2026-10705

Webauthn Framework: allowedorigins collapses URL-like origins to host-only values, bypassing exact origin validation...

Webauthn Framework: allowed_origins collapses URL-like origins to host-only values, bypassing exact origin validation

Summary When allowedorigins is configured, CheckAllowedOrigins reduces URL-like values to their host component and accepts on host match alone. This makes exact origin policies impossible to express: scheme and port differences are silently ignored. Details CheckAllowedOrigins stores each...

Webauthn Framework Access Control Vulnerability

Webauthn Framework is an open-source authentication mechanism for Web-Authentication. It enables web applications to create and use powerful, proven, scoped, public-key-based credentials for strong user authentication. Versions of Webauthn Framework prior to 5.2.4 contained an access control...

CVE-2026-30964: Origin Validation Error

web-auth/webauthn-lib is an open source set of PHP libraries and a Symfony bundle to allow developers to integrate that authentication mechanism into their web applications. Prior to 5.2.4, when allowedorigins is configured, CheckAllowedOrigins reduces URL-like values to their host component and...

PT-2026-24193

Name of the Vulnerable Software and Affected Versions web-auth/webauthn-lib versions prior to 5.2.4 Description The software’s origin validation process, when using the allowed origins configuration, reduces URL-like values to their host component, accepting matches based solely on the host. This...

CVE-2026-28787 OneUptime has WebAuthn 2FA bypass: server accepts client-supplied challenge instead of server-stored value, allowing credential replay

OneUptime is a solution for monitoring and managing online services. In version 10.0.11 and prior, the WebAuthn authentication implementation does not store the challenge on the server side. Instead, the challenge is returned to the client and accepted back from the client request body during...

CVE-2026-28787: Improper Authentication

OneUptime is a solution for monitoring and managing online services. In version 10.0.11 and prior, the WebAuthn authentication implementation does not store the challenge on the server side. Instead, the challenge is returned to the client and accepted back from the client request body during...

OneUptime security vulnerabilities

OneUptime is a comprehensive solution developed by OneUptime OpenSource. It is used to monitor and manage your online services. Versions of OneUptime 10.0.11 and earlier contain security vulnerabilities. These vulnerabilities stem from the WebAuthn authentication implementation, which does not...

CVE-2026-27836

phpMyFAQ is an open source FAQ web application. Prior to version 4.0.18, the WebAuthn prepare endpoint /api/webauthn/prepare creates new active user accounts without any authentication, CSRF protection, captcha, or configuration checks. This allows unauthenticated attackers to create unlimited us...

Linux Distros Unpatched Vulnerability : CVE-2026-2800

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148. CVE-2026-2800 Note that Nessus...

phpMyFAQ Allows Unauthenticated Account Creation via WebAuthn Prepare Endpoint

Summary The WebAuthn prepare endpoint /api/webauthn/prepare creates new active user accounts without any authentication, CSRF protection, CAPTCHA, or configuration checks. This allows unauthenticated attackers to create unlimited user accounts even when registration is disabled. Details File:...

Missing Authorization

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Missing Authorization via the WebAuthnController::prepare endpoint in the Frontend WebAuthn API component. An unauthenticated attacker can create...

CVE-2026-27836

phpMyFAQ is an open source FAQ web application. Prior to version 4.0.18, the WebAuthn prepare endpoint /api/webauthn/prepare creates new active user accounts without any authentication, CSRF protection, captcha, or configuration checks. This allows unauthenticated attackers to create unlimited us...

CVE-2026-27836 phpMyFAQ Allows Unauthenticated Account Creation via WebAuthn Prepare Endpoint

phpMyFAQ is an open source FAQ web application. Prior to version 4.0.18, the WebAuthn prepare endpoint /api/webauthn/prepare creates new active user accounts without any authentication, CSRF protection, captcha, or configuration checks. This allows unauthenticated attackers to create unlimited us...

CVE-2026-27836 phpMyFAQ Allows Unauthenticated Account Creation via WebAuthn Prepare Endpoint

phpMyFAQ is an open source FAQ web application. Prior to version 4.0.18, the WebAuthn prepare endpoint /api/webauthn/prepare creates new active user accounts without any authentication, CSRF protection, captcha, or configuration checks. This allows unauthenticated attackers to create unlimited us...

CVE-2026-27836 phpMyFAQ Allows Unauthenticated Account Creation via WebAuthn Prepare Endpoint

phpMyFAQ is an open source FAQ web application. Prior to version 4.0.18, the WebAuthn prepare endpoint /api/webauthn/prepare creates new active user accounts without any authentication, CSRF protection, captcha, or configuration checks. This allows unauthenticated attackers to create unlimited us...

EUVD-2025-208135

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

GHSA-7G5X-9C4V-4W5R Keycloak REST Services has a WebAuthn Attestation Statement Verification Bypass

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...