An improper certificate validation vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to bypass client certificate authentication.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00151.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Pgpool Global Development Group Pgpool-II unaffected
Version Status Constraints
4.7.0 affected ≤ 4.7.2
4.6.0 affected ≤ 4.6.7
4.5.0 affected ≤ 4.5.12
4.4.0 affected ≤ 4.4.17
4.3.0 affected ≤ 4.3.20
4.0.x affected ≤ 4.2.x

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN22475874/ cve-icon cve-icon
https://pgpool.net/news/2026-09-29/ cve-icon cve-icon
History

Wed, 30 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Title Pgpool-II Client Certificate Validation Vulnerability

Wed, 30 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Description An improper certificate validation vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to bypass client certificate authentication.
Weaknesses CWE-295
References
Metrics cvssV3_0

{'score': 6.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-09-30T07:20:48.300Z

Reserved: 2026-09-17T06:31:54.744Z

Link: CVE-2026-92868

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-30T08:16:34.723

Modified: 2026-09-30T08:16:34.723

Link: CVE-2026-92868

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T12:15:17Z

Weaknesses