Incorrect Implementation of Authentication Algorithm in Pgpool-II - CVE-2026-92873
Published: September 29, 2026
Vulnerability identifier: #VU152786
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92873
CWE-ID: CWE-303
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to incorrect implementation of authentication algorithm. A remote attacker can promote an arbitrary watchdog node to the leader node.
Affected software
Pgpool-II
How to mitigate CVE-2026-92873
Install updates from vendor's website.
Pgpool-II - addressed in versions 4.3.21, 4.4.18, 4.5.13, 4.6.8, 4.7.3