What is CVE-2026-64881?

CVE-2026-64881 is a high-severity vulnerability in Tenable, Inc. Security Center, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-07-21.

How severe is CVE-2026-64881?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Tenable, Inc. Security Center

CVE-2026-64881

The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tenable, Inc. Security Center — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

vulnreport@tenable.com

Frequently asked questions

What is CVE-2026-64881?: CVE-2026-64881 is a high-severity vulnerability in Tenable, Inc. Security Center, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-07-21.
How severe is CVE-2026-64881?: High severity. CVSS v3 base score is 8.8 out of 10.