Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-119561

phpMyAdmin through 5.2.3 contains an authentication bypass vulnerability in CustomServer::parseAndValidateAssertionResponse() that never verifies WebAuthn assertion signatures against stored public keys. Attackers holding a victim's MySQL credentials can POST a crafted webauthn_request_response with matching challenge, origin, and rpIdHash to bypass the second factor and gain database privileges.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 8.3%
CVSS Severity
CVSS v3 Score 6.8
Products affected by CVE-2026-119561


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