CVE-2026-64879 Command Injection
Attackers can execute arbitrary commands via unsanitized filenames in the audit file upload feature of Tenable Security Center.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-64879?
CVE-2026-64879 is a critical command injection vulnerability in Tenable, Inc. Security Center, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-64879?
It affects 1 product.
Products include Tenable Security Center.
How do I fix CVE-2026-64879?
No fix has been published for CVE-2026-64879 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-64879 being exploited?
There is no known exploitation of CVE-2026-64879 in the wild and no public exploit code.
Other vulnerabilities in Tenable, Inc. Security Center
Sources
Also known as GHSA-x2v3-fq4f-vvjj.