CVE-2025-12819

Name	CVE-2025-12819
Description	Untrusted search path in auth_query connection handler in PgBouncer before 1.25.1 allows an unauthenticated attacker to execute arbitrary SQL during authentication via a malicious search_path parameter in the StartupMessage.
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
pgbouncer (PTS)	bullseye	1.15.0-1	vulnerable
	bullseye (security)	1.15.0-1+deb11u1	vulnerable
	bookworm	1.18.0-1	vulnerable
	trixie	1.24.1-1	vulnerable
	forky, sid	1.25.1-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pgbouncer	source	(unstable)	1.25.1-1

Notes

https://www.pgbouncer.org/changelog.html#pgbouncer-125x
Fixed by: https://github.com/pgbouncer/pgbouncer/commit/85acffac5ddf56657706812f600c5f7f477abbab (pgbouncer_1_25_1)