SQL Injection Affecting libpq package, versions [16.8,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (7th percentile)

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  • Snyk IDSNYK-CONAN-LIBPQ-16691450
  • published14 May 2026
  • disclosed14 May 2026
  • creditPavel Kohout

Introduced: 14 May 2026

NewCVE-2026-6638  (opens in a new tab)
CWE-89  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to SQL Injection via the REFRESH PUBLICATION process. An attacker can execute arbitrary SQL commands with the privileges of the publication-side credentials by crafting a malicious table name and triggering the process during logical replication.

CVSS Base Scores

version 4.0
version 3.1