Main Vulnerability Database Vulnerabilities #VU163414

Improper input validation in Oracle E-Business Suite and Oracle iSupport - CVE-2026-91347

Published: November 10, 2026

Vulnerability identifier: #VU163414

CSH Severity: High

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-91347

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated user to modify data and cause limited service disruption.

The vulnerability exists due to improper input validation within the Service Requests component in Oracle iSupport in Oracle E-Business Suite. A remote authenticated user can exploit this vulnerability to modify data and cause limited service disruption.

Affected software

Oracle E-Business Suite
Oracle iSupport

How to mitigate CVE-2026-91347

Install updates from vendor's website.

External References

https://www.oracle.com/security-alerts/cpuoct2026.html

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