CVE-2026-91536
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Denial of Service in Oracle SOA Suite

Publication date: 2026-10-20

Last updated on: 2026-10-26

Assigner: Oracle

Description
Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle SOA Suite. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle SOA Suite accessible data as well as unauthorized read access to a subset of Oracle SOA Suite accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle SOA Suite. CVSS 3.1 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).

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Meta Information

Published
2026-10-20
Last Modified
2026-10-26
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
CVE-2026-91536
EUVD
EUVD-2026-106768

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Oracle Corporation Oracle SOA Suite 12.2.1.4.0
Oracle Corporation Oracle SOA Suite 14.1.2.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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Executive Summary

This is a vulnerability in Oracle SOA Suite versions 12.2.1.4.0 and 14.1.2.0.0. It allows a low-privileged attacker with network access via HTTPS to compromise the system. Successful exploitation can lead to unauthorized data access, modification, or deletion, as well as partial denial of service.

Detection Guidance

Detection of CVE-2026-91536 requires checking for vulnerable versions of Oracle SOA Suite (12.2.1.4.0 or 14.1.2.0.0) and monitoring for unauthorized access or modifications. Use Oracle's official tools or scripts to verify installed versions and patch levels. Inspect network traffic for suspicious HTTPS requests targeting the Fabric Layer component.

Impact Analysis

If exploited, this vulnerability could allow attackers to read, modify, or delete sensitive data within Oracle SOA Suite. It may also disrupt service availability, causing partial outages. The impact depends on the data processed by the affected system.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected Oracle SOA Suite versions should assess potential compliance risks.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle SOA Suite to address the vulnerability. Ensure network access controls restrict HTTPS access to only trusted sources. Monitor Oracle SOA Suite logs for unusual activity and unauthorized data access attempts.

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