CVE-2025-12819

Untrusted search path in auth_query connection in PgBouncer

State: Published
Severity: 7.5 High
Published: Dec 3, 2025
Updated: Dec 27, 2025
Reserved: Nov 6, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	PostgreSQL

Weaknesses

CWE-426 Untrusted Search Path

Affected Products

Product	Versions
PgBouncern/a	before 1.25.1Affected

References

https://www.pgbouncer.org/changelog.html#pgbouncer-125x
https://lists.debian.org/debian-lts-announce/2025/12/msg00033.html

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