CVE-2026-91347 — HIGH (8.5)

Vulnerability Description

Vulnerability in the iSupport product of Oracle E-Business Suite (component: Service Requests). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise iSupport. While the vulnerability is in iSupport, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all iSupport accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of iSupport. CVSS 3.1 Base Score 8.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L).

CVSS Score

8.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

LOW

Related Weaknesses (CWE)

CWE-284

References

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

FAQ

What is CVE-2026-91347?

CVE-2026-91347 is a vulnerability with a CVSS score of 8.5 (HIGH). Vulnerability in the iSupport product of Oracle E-Business Suite (component: Service Requests). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low pr...

How severe is CVE-2026-91347?

CVE-2026-91347 has been rated HIGH with a CVSS base score of 8.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91347?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.