OS Command Injection in Cisco UCS Manager - CVE-2026-20036
Published: February 26, 2026
Vulnerability identifier: #VU123281
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20036
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 CLI and web-based management interface. A remote privileged user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Affected software
Cisco UCS Manager
How to mitigate CVE-2026-20036
Install updates from vendor's website.
Cisco UCS Manager - addressed in versions 4.3(6f), 6.0(2)