Oracle HTTP Server 12.2.1.4.0/14.1.2.0.0 OSSL improper authorization

Summaryinfo

A vulnerability was found in Oracle HTTP Server 12.2.1.4.0/14.1.2.0.0. It has been declared as critical. Affected by this issue is some unknown functionality of the component OSSL Module. Executing a manipulation can lead to improper authorization. This vulnerability appears as CVE-2026-87347. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle HTTP Server 12.2.1.4.0/14.1.2.0.0 and classified as critical. This vulnerability affects some unknown processing of the component OSSL Module. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged 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 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).

The advisory is shared for download at oracle.com. This vulnerability was named CVE-2026-87347 since 09/08/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/21/2026). The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Web Server

Vendor

• Oracle

Name

• HTTP Server

Version

• 12.2.1.4.0
• 14.1.2.0.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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