CVE-2026-91338

HIGH 7.1

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

Vulnerability in the iSupport product of Oracle E-Business Suite (component: Internal operations). 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 creation, deletion or modification access to critical data or all iSupport accessible data as well as unauthorized read access to a subset of iSupport accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).

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:U/C:L/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

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