Improper input validation in Siebel CRM End User - CVE-2026-91390
Published: November 10, 2026
Vulnerability identifier: #VU164207
CSH Severity: Medium
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91390
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to read and manipulate data.
The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote authenticated user can exploit this vulnerability to read and manipulate data.
Affected software
Siebel CRM End User
How to mitigate CVE-2026-91390
Install updates from vendor's website.