CVE-2026-20350 Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability
Authenticated attackers can inject OS commands via the web interface to execute arbitrary code with root privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-20350?
CVE-2026-20350 is a medium-severity command injection vulnerability in Cisco ThousandEyes Enterprise Agent, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands. This vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values. A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.
Weakness: CWE-78
Which versions are affected by CVE-2026-20350?
How do I fix CVE-2026-20350?
No fix has been published for CVE-2026-20350 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-2026-20350 being exploited?
There is no known exploitation of CVE-2026-20350 in the wild and no public exploit code.
Sources
Also known as GHSA-gvrw-xc72-49qh.