CVE-2025-2291

PgBouncer default auth_query does not take Postgres password expiry into account

State: Published
Severity: 8.1 High
Published: Apr 16, 2025
Updated: Nov 3, 2025
Reserved: Mar 13, 2025

Description

Password can be used past expiry in PgBouncer due to auth_query not taking into account Postgres its VALID UNTIL value, which allows an attacker to log in with an already expired password

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	PostgreSQL

Weaknesses

CWE-324 Use of a Key Past its Expiration Date

Affected Products

Product	Versions
PgBouncern/a	before 1.24.1Affected

References

https://www.pgbouncer.org/changelog.html#pgbouncer-124x
https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html

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