CVE-2026-64881 — HIGH (8.8)

Q: How severe is CVE-2026-64881?

CVE-2026-64881 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-64881?

Check the references section above for vendor advisories and patch information. Affected products include: Tenable Security Center, Linux Linux Kernel.

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tenable	Security Center	>= 6.6.0, <= 6.8.0
Linux	Linux Kernel	-

Related Weaknesses (CWE)

CWE-78

References

https://www.tenable.com/security/tns-2026-19Patch

FAQ

What is CVE-2026-64881?

CVE-2026-64881 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 wit...

How severe is CVE-2026-64881?

CVE-2026-64881 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-64881?

Check the references section above for vendor advisories and patch information. Affected products include: Tenable Security Center, Linux Linux Kernel.