Astra Linux – Vulnerability in Firefox

A malicious website can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been exploited in a spoofing attack. This vulnerability affects Firefox versions earlier than 119...

Astra Linux – Vulnerability in Firefox

If a user visited a webpage with an invalid TLS certificate and granted an exception, the webpage was able to present a WebAuthn challenge that the user was prompted to complete. This violates the WebAuthN specification, which requires a secure transport connection without errors. This...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. This could have led to cross-origin account linking, violating the WebAuthn goals. This vulnerability affect...

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...

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

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

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...

PT-2026-78396

Name of the Vulnerable Software and Affected Versions phpMyFAQ versions prior to 4.1.7 Description The software fails to persist the WebAuthn login challenge generated by the prepareForLogin function because the WebAuthn controller does not save the mutated key objects back to the database. Durin...

ANT-2026-0JJXMV3G · supabase/auth · privilege-escalation

privilege-escalation medium Severity Claude medium · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-0JJXMV3G: Passkey registration requires no step-up authentication The POST...

CVE-2026-72780

Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts...

CVE-2026-72780 Craft CMS before 5.10.5 WebAuthn Assertion Replay via login-with-passkey

Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts...

CVE-2026-72780 Craft CMS before 5.10.5 WebAuthn Assertion Replay via login-with-passkey

Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts...

CVE-2026-72780

CVE-2026-72780 affects Craft CMS prior to 5.10.5. The issue arises in the passkey login endpoint where WebAuthn assertion validation fails to persist updated credential counters, allowing an attacker to replay captured login request bodies containing requestOptions and response to create addition...

EUVD-2026-56104

Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts...

CVE-2026-72780

Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts...

PT-2026-70198

Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts...

CVE-2026-48084

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Versions prior to 1.0.2 don't throttle failed passphrase login attempts. An attacker can submit unlimited wrong passphrase guesses against any known email address, capped only by the Argon2...