CVE-2026-91473: High severity Oracle HTTP Server vulnerability
Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Web Listener). 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).
Affected Software
Event History
Frequently Asked Questions
Who is exposed to exploitation?
Oracle HTTP Server deployments running the affected supported version, 12.2.1.4.0, are exposed when a low-privileged attacker can log on to the infrastructure where the server executes.
Does an attacker need network access or user interaction?
The CVSS vector identifies the attack as local with low privileges required and no user interaction. The attacker needs a logon on the infrastructure hosting Oracle HTTP Server.
What is the potential impact of a successful attack?
A successful attack can result in takeover of Oracle HTTP Server, with high confidentiality, integrity, and availability impact.