PT-2026-39229 · Pgbouncer · Pgbouncer

Harutokimura For · Published 2026-05-09 · Updated 2026-05-09 · CVE-2026-6667

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions PgBouncer versions prior to 1.25.2

Description An improper authorization check exists for the 'KILL CLIENT' admin command. Any user with access to the administration console can execute this command, whereas it should be restricted exclusively to users defined in the admin users parameter.

Recommendations Update to version 1.25.2 or later.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-6667

Affected Products

Pgbouncer

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-6667 · Security Note
• https://twitter.com/VulmonFeeds/status/2053060185380311089 · Twitter Post
• https://pgbouncer.org/changelog.html#pgbouncer-125x · Note