CVE-2026-91347 Oracle E-Business Suite iSupport - Broken Access Control

Oracle E-Business Suite iSupport 12.2.3-12.2.15 contains a broken access control vulnerability in Service Requests, letting low privileged attackers with network HTTP access modify critical data and cause partial denial of service, exploit requires low privileged network access.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

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

Vendor fix

Update to the latest available version beyond 12.2.15.

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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