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CVE-2026-64881

8.8 · HIGH

The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution.

Published Jul 21, 2026tenableCWE-78EPSS 2.23%

Overview

CVE-2026-64881 is a high-severity vulnerability affecting tenable security_center. It was published on July 21, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from tenable. Update security_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
tenablesecurity_center6.6.0Affected

Frequently asked questions

What is CVE-2026-64881?

CVE-2026-64881 is a high-severity vulnerability affecting tenable security_center. It was published on July 21, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-64881?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-64881?

Check the references section for vendor advisories and patches from tenable. Update security_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-64881?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-64881 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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