CVE-2026-64879: Tenable Security Center

Critical severity, CVSS 9.9. EPSS: 2.3% chance of exploitation in the next 30 days.

A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.

Affected products

• Tenable Security Center: from 6.6.0, up to and including 6.8.0

Published 2026-07-21. Last modified 2026-08-18.