CVE-2026-83154 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 unauthenticated network access via SOAP, letting attackers create, delete, or modify critical data, exploit requires network access.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-287

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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