CVE-2026-87346
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Oracle HTTP Server Path Traversal Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-30

Assigner: Oracle

Description
Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Oracle Weblogic Server Proxy Plug-in for Oracle HTTP Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server. While the vulnerability is in Oracle HTTP Server, 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 Oracle HTTP Server accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).

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Meta Information

Published
2026-10-20
Last Modified
2026-10-30
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
CVE-2026-87346
EUVD
EUVD-2026-106387

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Oracle Corporation Oracle HTTP Server 12.2.1.4.0
Oracle Corporation Oracle HTTP Server 14.1.2.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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Executive Summary

This is a vulnerability in Oracle HTTP Server, specifically in the Oracle WebLogic Server Proxy Plug-in. It affects versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker can exploit it remotely via HTTP to compromise the server. Successful exploitation may allow unauthorized access or modification of critical data.

Detection Guidance

Detection requires checking for vulnerable Oracle HTTP Server versions (12.2.1.4.0 or 14.1.2.0.0) and Oracle WebLogic Server Proxy Plug-in configurations. Inspect server logs for unusual HTTP requests targeting Oracle HTTP Server components. Use network scanning tools like Nmap to identify Oracle HTTP Server instances and verify versions. Check for exposed administrative interfaces or proxy plug-in endpoints.

Impact Analysis

If you use the affected Oracle HTTP Server versions, an attacker could gain unauthorized access to sensitive data, modify or delete critical information, or access all data accessible by the server. This could lead to data breaches, loss of data integrity, or unauthorized system access.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate GDPR, HIPAA, or other regulations. Compliance failures could result in legal penalties, fines, or reputational damage due to data breaches or loss of data integrity.

Mitigation Strategies

Apply the latest security patches from Oracle for Oracle HTTP Server versions 12.2.1.4.0 and 14.1.2.0.0. Monitor Oracle's security advisories for updates and restrict HTTP access to trusted sources only.

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