CVE-2026-64881 Command Injection
Attackers can execute arbitrary commands via unsanitized filenames in the audit file upload handler, requiring chaining with another vulnerability.
- 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-2026-64881?
CVE-2026-64881 is a high-severity 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
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-64881?
It affects 1 product.
Products include Tenable Security Center.
How do I fix CVE-2026-64881?
No fix has been published for CVE-2026-64881 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-2026-64881 being exploited?
There is no known exploitation of CVE-2026-64881 in the wild and no public exploit code.
Other vulnerabilities in Tenable, Inc. Security Center
Sources
Also known as GHSA-737x-8xqc-h3gh.