CVE-2026-91437 Oracle Siebel CRM - Broken Access Control

Oracle Siebel CRM 17.0-26.9 contains a broken access control vulnerability in Server Infrastructure, letting high privileged attackers with network HTTP access create, delete, or modify critical data, exploit requires high privileges.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Published
20 October 2026
Updated
21 October 2026

Vendor fix

Update to the latest version beyond 26.9.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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