CVE-2026-119561

Name	CVE-2026-119561
Description	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
phpmyadmin (PTS)	bookworm	4:5.2.1+dfsg-1+deb12u1	undetermined
	trixie	4:5.2.2-really+dfsg-1+deb13u1	undetermined
	forky, sid	4:5.2.4~dev~git20260809.e0909b211b+dfsg-1	undetermined

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
phpmyadmin	source	(unstable)	undetermined

check upstream details