Vulnerability in Oracle Corporation Isupport
CVE-2026-91339
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. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all iSupport accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
References
- www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-91339?
- CVE-2026-91339 is a medium-severity vulnerability in Oracle Corporation Isupport. CVSS score: 6.5/10. Published 2026-10-20.
- How severe is CVE-2026-91339?
- Medium severity. CVSS v3 base score is 6.5 out of 10.