CVE-2026-20036 Cisco UCS Manager Software Command Injection Vulnerability
Authenticated administrators can execute arbitrary root-level commands on Cisco UCS Manager via crafted input in the CLI or web interface.
- 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-2026-20036?
CVE-2026-20036 is a medium-severity command injection vulnerability in Cisco Unified Computing System (Managed), published on 25 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the CLI and web-based management interface of Cisco UCS Manager Software could allow an authenticated, remote attacker with valid administrative privileges to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient input validation of command arguments that are supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of an affected device with root-level privileges.
Weakness: CWE-78
Which versions are affected by CVE-2026-20036?
How do I fix CVE-2026-20036?
No fix has been published for CVE-2026-20036 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-2026-20036 being exploited?
There is no known exploitation of CVE-2026-20036 in the wild and no public exploit code.
Sources
Also known as GHSA-c2mj-6hqf-86q8.