Main Vulnerability Database Vulnerabilities #VU124794

Stored cross-site scripting in Cisco Unified Computing System (UCS) - CVE-2026-20087

Published: April 1, 2026

Vulnerability identifier: #VU124794

CSH Severity: Low

CVSS v4: 4.8 [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]

CVE-ID: CVE-2026-20087

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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 Cisco IMC. A remote privileged user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Affected software

Cisco Unified Computing System (UCS)

How to mitigate CVE-2026-20087

Install updates from vendor's website.

Cisco Unified Computing System (UCS) - addressed in versions 4.3(6f), 6.0(2b)

External References

Related Security Bulletins