SQL Injection Affecting libpq package, versions [16.8,16.14)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-LIBPQ-16691450
- published14 May 2026
- disclosed14 May 2026
- creditPavel Kohout
Introduced: 14 May 2026
CVE-2026-6638 (opens in a new tab)How to fix?
Upgrade libpq to version 16.14 or higher.
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.