CVE-2026-56703

Name	CVE-2026-56703
Description	Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM INTO to write PHP code to arbitrary file paths and execute commands on the server.
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
adminer (PTS)	bullseye	4.7.9-2	vulnerable
	bookworm	4.8.1-1	vulnerable
	trixie	5.2.1+dfsg-1	vulnerable
	forky, sid	6.0.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
adminer	source	(unstable)	5.4.3+dfsg-1

https://github.com/vrana/adminer/security/advisories/GHSA-gmx3-g29w-77wf