CVE-2026-64881 PUBLISHED

Command Injection

Assigner: tenable
Reserved: 20.07.2026 Published: 21.07.2026 Updated: 21.07.2026

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 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Tenable, Inc.
Product	Security Center
Versions	Default: affected affected from 0 to 6.8.0 (excl.)

Solutions

Tenable has released Security Center Patch SC202607.1 to address these issues. The installation files can be obtained from the Tenable Downloads Portal: https://www.tenable.com/downloads/security-center

References

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

Problem Types

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') CWE