CVE-2026-64879 — CRITICAL (9.9)

Q: How severe is CVE-2026-64879?

CVE-2026-64879 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-64879?

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

Vulnerability Description

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.

CVSS Score

9.9

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

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-2026-19PatchThird Party Advisory

FAQ

What is CVE-2026-64879?

CVE-2026-64879 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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 th...

How severe is CVE-2026-64879?

CVE-2026-64879 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-64879?

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