CVE-2026-55377 Logto: Account Center MFA management step-up bypass via WebAuthn registration verification

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's Account Center step-up check accepted any active verification record that belonged to the current user and had isVerified === true. A WebAuthn registration verification record for binding a new...

PT-2026-30292

Summary fido2-lib v3.x depends on cbor-x 1.6.0, which optionally pulls in cbor-extract C++ native addon. cbor-extract = 2.2.0 has a heap buffer over-read in extractStrings — a 5-byte CBOR payload crashes Node.js with SIGSEGV. No JS exception, no try/catch, process dead. The crash triggers during...

CVE-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...

CVE-2025-12150: Improper Verification of Cryptographic Signature

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-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

EUVD-2021-27982

Malicious code in bioql PyPI...

EUVD-2023-53212

Malicious code in bioql PyPI...

DEBIAN-CVE-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

CVE-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

Buffer overflow

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

CVE-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

CVE-2023-49208: Buffer Copy without Checking Size of Input

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

PT-2023-31113

Name of the Vulnerable Software and Affected Versions Glewlwyd SSO server versions prior to 2.7.6 Description The issue is related to a possible buffer overflow during FIDO2 credentials validation in webauthn registration. This occurs in the scheme/webauthn.c file of the Glewlwyd SSO server...

CVE-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

CVE-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration...

Buffer overflow

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration...

CVE-2021-40818

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration...

UBUNTU-CVE-2021-40818

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration...

CVE-2021-40818

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration...

CVE-2021-40818

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration...