CVE-2025-12819: pgbouncer (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-426 CWE-426

Affected Products

Vendor	Product	Versions
pgbouncer	pgbouncer	< 1.25.1

References

Other References

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-12819? +

CVE-2025-12819 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-12819? +

CVE-2025-12819 affects products from pgbouncer, specifically: pgbouncer. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-12819? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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