CVE-2026-47841 WebAuthn User Verification Bypass via Session Serialization

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18...

CVE-2026-47841 WebAuthn User Verification Bypass via Session Serialization

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18...

CVE-2026-47841

Spring Security 's WebAuthn support is vulnerable to a user verification bypass when the application uses a distributed HTTP session store . The root cause is tied to session serialization , which can allow an attacker to bypass the user verification step of a WebAuthn authenticator. Affected ver...

EUVD-2026-66639

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18...

PT-2026-82233

Name of the Vulnerable Software and Affected Versions Spring Security version 7.1.0 Spring Security versions 7.0.0 through 7.0.6 Spring Security versions 6.5.0 through 6.5.11 Spring Security versions 6.4.0 through 6.4.18 Description An application using WebAuthn support may be vulnerable to user...

CVE-2026-47841: Undefined Security Weakness

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18...

BIT-KEYCLOAK-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...

BIT-KEYCLOAK-2025-12150 Org.keycloak/keycloak-services: 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...

WordPress WebAuthn Provider for Two Factor plugin < 2.5.6 - 2FA Bypass vulnerability

2FA Bypass vulnerability discovered by Volodymyr Kolesnykov in WordPress Plugin WebAuthn Provider for Two Factor versions 2.5.6...

Comparison of Object References Instead of Object Contents

Overview Affected versions of this package are vulnerable to Comparison of Object References Instead of Object Contents in the process of comparing UserVerificationRequirement during WebAuthn authentication, when using distributed HTTP session stores. An attacker can bypass user verification by...

cn.herodotus.dante:dante-authentication-autoconfigure (>=4.0.0.0-m2, <=4.0.0.0-m3), cn.herodotus.dante:dante-authorization-autoconfigure (>=4.0.0.0-m2, <=4.0.0.0-m3) +38 more potentially affected by CVE-2026-47841 via org.springframework.security:spring-security-webauthn (>=7.0.0, <=7.0.6)

org.springframework.security:spring-security-webauthn MAVEN version =7.0.0, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.0.0-m2, =4.0.2.0-m4, =4.0.2.0-m4, =4.0.0.0-m4, =4.0.0.0-m4, =4.1.0.0-m1 and more Sourc...

cn.herodotus.dante:dante-authentication-autoconfigure (4.1.0.1), cn.herodotus.dante:dante-authorization-autoconfigure (4.1.0.1) +38 more potentially affected by CVE-2026-47841 via org.springframework.security:spring-security-webauthn (7.1.0)

org.springframework.security:spring-security-webauthn MAVEN version 7.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-webauthn and may be impacted: - cn.herodotus.dante:dante-authentication-autoconfigure...

cve-2026-47841 - HIGH - WebAuthn User Verification Bypass via Session Serialization

cve-2026-47841 - HIGH - WebAuthn User Verification Bypass via Session Serialization...

Replay Attack

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Replay Attack through improper handling of the prepareForLogin process. An attacker can gain unauthorized access by replaying a previously captured...

Replay Attack

Overview phpmyfaq/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Replay Attack through improper handling of the prepareForLogin process. An attacker can gain unauthorized access by replaying a previously captured...

CVE-2026-76214

phpMyFAQ before 4.1.7 fails to persist the WebAuthn login challenge generated by prepareForLogin, because neither WebAuthn controller saves the mutated key objects back to the database. At login the anti-replay comparison is skipped by its own null guard, allowing an attacker who captures a...

EUVD-2026-62455

phpMyFAQ before 4.1.7 affected versions = 4.1.5 fails to persist the WebAuthn login challenge generated by prepareForLogin, because neither WebAuthn controller saves the mutated key objects back to the database. At login the anti-replay comparison is skipped by its own null guard, allowing an...

CVE-2026-76214

phpMyFAQ versions before 4.1.7 (affected ≤ 4.1.5) contain a WebAuthn replay attack vulnerability. The root cause is that the login challenge generated by prepareForLogin is never persisted to the database because neither WebAuthn controller saves the mutated key objects. As a result, the anti-rep...

CVE-2026-76214 phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge

phpMyFAQ before 4.1.7 fails to persist the WebAuthn login challenge generated by prepareForLogin, because neither WebAuthn controller saves the mutated key objects back to the database. At login the anti-replay comparison is skipped by its own null guard, allowing an attacker who captures a...

CVE-2026-76214 phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge

phpMyFAQ before 4.1.7 fails to persist the WebAuthn login challenge generated by prepareForLogin, because neither WebAuthn controller saves the mutated key objects back to the database. At login the anti-replay comparison is skipped by its own null guard, allowing an attacker who captures a...