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CVE-2025-12819

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Date: December 3, 2025

Untrusted search path in auth_query connection handler in PgBouncer before 1.25.0 allows an unauthenticated attacker to execute arbitrary SQL during authentication via a malicious search_path parameter in the StartupMessage.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-12819
https://www.pgbouncer.org/changelog.html#pgbouncer-125x
https://www.pgbouncer.org/changelog.html#pgbouncer-124x
https://www.mend.io/vulnerability-database/CVE-2025-12819

Severity Score

Weakness Type (CWE)

Untrusted Search Path

CWE-426

Top Fix

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Upgrade Version

Upgrade to version https://github.com/pgbouncer/pgbouncer.git - pgbouncer_1_25_1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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