CVE-2026-92873 Pgpool-II - Authentication Bypass

Pgpool-II contains an authentication bypass caused by incorrect implementation of the authentication algorithm, letting unauthenticated attackers promote an arbitrary watchdog node to leader, exploit requires no authentication.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.31% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Denial Of Service
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-303

Vendor fix

Update to the latest version with fixed authentication implementation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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