OS Command Injection in Cisco ThousandEyes Virtual Appliance - CVE-2026-20350
Published: September 17, 2026
Vulnerability identifier: #VU150515
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20350
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the web-based management interface. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco ThousandEyes Virtual Appliance
How to mitigate CVE-2026-20350
Install updates from vendor's website.
Cisco ThousandEyes Virtual Appliance - update to 0.265