CVE-2026-83218 Oracle Siebel CRM Deployment - Broken Access Control

Oracle Siebel CRM Deployment 17.0-26.7 contains a broken access control vulnerability in Server Infrastructure, letting unauthenticated attackers with network HTTP access modify or access critical data, exploit requires high attack complexity.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.32% 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:N/UI:N/S:U/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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