CVE-2026-92873
Received Received - Intake

Incorrect Authentication Leading to Arbitrary Watchdog Promotion in Pgpool-II

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: JPCERT/CC

Description
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.

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-92873
EUVD
EUVD-2026-89677

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
pgpool pgpool *-*-*-*-*-*-*

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-303 The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

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Executive Summary

Pgpool-II has an incorrect authentication algorithm implementation that allows an unauthenticated attacker to promote an arbitrary watchdog node to the leader node.

Impact Analysis

An attacker could gain control over the watchdog leader node, potentially leading to unauthorized access, data manipulation, or disruption of database services.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements for data protection and security in standards like GDPR and HIPAA.

Mitigation Strategies

Update Pgpool-II to the latest version that fixes the authentication algorithm implementation. Review watchdog node configurations to ensure proper authentication and authorization checks are enforced.

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