CVE-2026-83155 Oracle Siebel CRM Deployment - Broken Access Control

Oracle Siebel CRM Deployment 17.0-26.7 contains an unauthorized access and denial of service vulnerability caused by insufficient protection of physical communication segment, letting low privileged attackers with physical network access compromise data confidentiality and availability, exploit requires physical network access.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

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

Vendor fix

Update to the latest available 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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