CVE-2026-91338

Low-Privileged HTTP Compromise of Oracle iSupport

Published Oct 20, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Low-Privileged HTTP Compromise of Oracle iSupport
Weaknesses CWE-284
Type Values Removed Values Added
Description 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).
First Time appeared Oracle
Oracle isupport
CPEs cpe:2.3:a:oracle:isupport:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle isupport
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 28, 2026, 5:59 PM
Reserved
Sep 14, 2026, 10:10 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 10:20 PM
Modified
Oct 28, 2026, 6:17 PM