CVE-2026-92873
HighCVSS 7.3Summary
Pgpool-II contains an incorrect implementation of an authentication algorithm, which may allow an unauthenticated attacker to promote an arbitrary watchdog node to the leader node.
Risk Assessment
Risk of cluster takeover and potential service disruption.
Recommendation
Update Pgpool-II to a patched version and configure strong authentication for watchdog communication.
Other vulnerabilities in Pgpool-II
See all- CVE-2026-92872Medium
Pgpool-II inserts sensitive information into log file, which may allow an authenticated attacker to obtain the cluster information.
- CVE-2026-92871High
A NULL pointer dereference vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to cause abnormal termination of the watchdog process.
- CVE-2026-92870High
A stack-based buffer overflow vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to cause abnormal process termination.
- CVE-2026-92869Medium
An out-of-bounds write vulnerability exists in Pgpool-II, which may allow an authenticated attacker to cause abnormal process termination.
- CVE-2026-92868Medium
An improper certificate validation vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to bypass client certificate authentication.
- CVE-2026-92867High
An out-of-bounds write vulnerability exists in Pgpool-II, which may allow an authenticated attacker to cause abnormal process termination or arbitrary code execution.
Original NVD description (English source)
Pgpool-II contains an incorrect implementation of an authentication algorithm, which may allow an unauthenticated attacker to promote an arbitrary watchdog node to the leader node.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS