CVE-2026-91347

HIGH 8.5

CVSS Score

8.5

EPSS Score

0.0%

EPSS Percentile

0th

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).

Vendor	oracle corporation
Product	isupport
Published	Oct 20, 2026

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CVSS v3 Breakdown

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

Affected Versions

Oracle Corporation / iSupport

12.2.3 ≤ 12.2.15

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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