CVE-2026-64878 — CRITICAL (9.9)

Q: How severe is CVE-2026-64878?

CVE-2026-64878 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-2026-64878?

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

Vulnerability Description

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.

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-2026-64878?

CVE-2026-64878 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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 endpo...

How severe is CVE-2026-64878?

CVE-2026-64878 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-2026-64878?

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