CVE-2026-83146 Oracle Siebel CRM End User - Broken Access Control

Oracle Siebel CRM End User 17.0-26.7 contains a broken access control vulnerability caused by insufficient authorization in Open UI, letting low privileged attackers with network access via HTTP and user interaction modify or access critical data, exploit requires user interaction from a different person.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest version beyond 26.7.

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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