What is GHSA-c4j6-v5f3-8f3c?

GHSA-c4j6-v5f3-8f3c is a security advisory published by GitHub Security Advisories with High severity. Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code...

Which CVE IDs does GHSA-c4j6-v5f3-8f3c cover?

GHSA-c4j6-v5f3-8f3c covers the following CVE IDs: CVE-2026-14671. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c4j6-v5f3-8f3c?

GHSA-c4j6-v5f3-8f3c has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-c4j6-v5f3-8f3cHighCVSS 8.8

Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code...

Vendor

GitHub Security Advisories

Published

August 13, 2026

Last Modified

August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-14671 →

📋 Description

Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operating system user running the database. The fix for this emerged as a non-security bug report, and the fix appear in the git repository with subject "refint: Remove plan cache.", without a CVE number. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-14671
https://www.postgresql.org/support/security/CVE-2026-14671
https://github.com/advisories/GHSA-c4j6-v5f3-8f3c