CVE-2025-12819

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.

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-25)

CWE

CWE-426

Published

2025-12-03

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• pgbouncer:pgbouncer

References

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

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