CVE-2026-91347

Published Oct 20, 2026 CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
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. 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).

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 Unauthorized Data Modification and Partial Denial of Service Vulnerability in Oracle iSupport
Weaknesses CWE-264
CWE-285
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Title Unauthorized Data Modification and Partial Denial of Service Vulnerability in Oracle iSupport
Weaknesses CWE-264
CWE-285
Type Values Removed Values Added
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. 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).
First Time appeared Oracle
Oracle isupport
CPEs cpe:2.3:a:oracle:isupport:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle isupport
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 28, 2026, 6:04 PM
Reserved
Sep 14, 2026, 10:10 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 10:20 PM
Modified
Oct 28, 2026, 7:19 PM