CVE-2025-15311 Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.
Attackers can execute unauthorized code on Tanium Appliance, requiring immediate patching by administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15311?
CVE-2025-15311 is a high-severity code injection vulnerability in Tanium Appliance, published on 5 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.
Weakness: CWE-150
Which versions are affected by CVE-2025-15311?
It affects 1 product.
Products include Tanium Tanos.
How do I fix CVE-2025-15311?
No fix has been published for CVE-2025-15311 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-15311 being exploited?
There is no known exploitation of CVE-2025-15311 in the wild and no public exploit code.
Other vulnerabilities in Tanium Appliance
- CVE-2025-15312 Tanium addressed an improper output sanitization vulnerability in TanOS.
- CVE-2025-13225 Tanium addressed an arbitrary file deletion vulnerability in TanOS.
- CVE-2026-2605 Tanium addressed an insertion of sensitive information into log file vulnerability in TanOS.
- CVE-2025-15323 Tanium addressed an improper certificate validation vulnerability in Tanium Appliance.
- CVE-2025-15321 Tanium addressed an improper input validation vulnerability in Tanium Appliance.
Sources
Also known as GHSA-4362-x25f-c5ch.