CVE-2026-91339 Vulnerability in the iSupport product of Oracle E-Business Suite (component: Service Requests).

Medium 6.5 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-91339?

CVE-2026-91339 is a medium-severity vulnerability in Oracle Corporation iSupport, published on 20 Oct 2026.

Official 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. 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).

Weakness: CWE-200

Which versions are affected by CVE-2026-91339?

How do I fix CVE-2026-91339?

No fix has been published for CVE-2026-91339 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-91339 being exploited?

There is no known exploitation of CVE-2026-91339 in the wild and no public exploit code.

Sources

Also known as GHSA-78wj-vp5p-wgrh.

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