CVE-2026-91419
Received Received - Intake

Oracle HTTP Server Privilege Escalation Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: Oracle

Description
Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle HTTP Server executes to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in takeover of Oracle HTTP Server. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-10-21
AI Q&A
2026-10-21
EPSS Evaluated
N/A
NVD
CVE-2026-91419

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Oracle Corporation Oracle HTTP Server 12.2.1.4.0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a vulnerability in Oracle HTTP Server 12.2.1.4.0 within the OSSL Module. It allows a low-privileged attacker with local system access to take over the server. The attack requires logon to the infrastructure where Oracle HTTP Server runs.

Impact Analysis

An attacker could gain full control of the Oracle HTTP Server, leading to unauthorized access, data theft, or disruption of services. This could affect confidentiality, integrity, and availability of the server and its hosted applications.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face legal penalties or compliance failures if exploited.

Mitigation Strategies

Apply the latest Oracle HTTP Server patches from Oracle immediately. Restrict user access to the infrastructure where Oracle HTTP Server runs. Monitor logs for suspicious activity and disable unnecessary services.

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