CVE-2025-15321: Tanium addressed an improper input validation vulnerability in Tanium Appliance.
Published Feb 5, 2026
·Updated
Tanium addressed an improper input validation vulnerability in Tanium Appliance.
Affected Software
4 affected components
Tanium Tanium Appliance
Tanium TanOS>=1.8.3<1.8.3.0196
Tanium TanOS>=1.8.4<1.8.4.0199
Tanium TanOS>=1.8.5<1.8.5.0227
Event History
Feb 5, 2026
CVE Published
via MITRE·06:20 PM
Data Sourced
via MITRE·06:20 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-15321?
CVE-2025-15321 has been rated with a high severity due to its potential impact on the Tanium Appliance functionality.
2
How do I fix CVE-2025-15321?
To fix CVE-2025-15321, users should update the Tanium Appliance to the latest patched version provided by Tanium.
3
What is the nature of CVE-2025-15321?
CVE-2025-15321 is an improper input validation vulnerability that affects the Tanium Appliance.
4
Which software versions are affected by CVE-2025-15321?
CVE-2025-15321 affects all versions of Tanium Appliance that have not been updated to address this specific vulnerability.
5
Is there a workaround for CVE-2025-15321?
Currently, the best approach for CVE-2025-15321 is to apply the available updates, as no official workarounds have been documented.