What’s Vulnerable › Vulnerabilities
CVE-2026-6666: PgBouncer crash in kill_pool_logins_server_error
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-09 · updated 2026-07-24
- Weakness: CWE-476
Description
A possible null pointer reference in PgBouncer before 1.25.2 could lead to a crash, if a server sends an error response without SQLSTATE field.
Affected products
- PgBouncer: before 1.25.2 — fixed in 1.25.2
How to fix
Upgrade to a fixed version: PgBouncer 1.25.2. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-6666 or the next vulnerability affects your stack