#VU123284 Stored cross-site scripting in Cisco UCS Manager - CVE-2026-20091

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Main Vulnerability Database Vulnerabilities #VU123284

#VU123284 Stored cross-site scripting in Cisco UCS Manager - CVE-2026-20091

Published: February 26, 2026


Vulnerability identifier: #VU123284
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20091
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco UCS Manager
Software vendor:
Cisco Systems, Inc

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the web-based management interface. A remote user with Administrator or AAA Administrator role can permanenlty inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.


Remediation

Install updates from vendor's website.

External links