CVE-2026-64878: Tenable Security Center

Critical severity, CVSS 9.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Unvalidated input in asset filter parameters allows shell metacharacters to escape command argument handling, resulting in remote code execution as a low-privileged OS user via the Analysis REST endpoint.

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.