CVE-2026-6666: PgBouncer crash in kill_pool_logins_server_error

Overview

Severity

Medium (CVSS 5.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-10

EPSS Score

0.01% (percentile: 1.9%)

Affected Products (1)

Other

• 21328-17084

Revision History

• 2026-05-10: Information published.