CVE-2026-91419: High severity Oracle HTTP Server vulnerability
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).
Affected Software
Event History
Frequently Asked Questions
Who is exposed to exploitation?
Oracle HTTP Server deployments using the affected supported version 12.2.1.4.0 are exposed when an attacker has a low-privileged account and can log on to the infrastructure where Oracle HTTP Server runs.
Does exploitation require network access or user interaction?
No. The CVSS vector identifies local attack access and requires no user interaction; the attacker must already have low privileges on the host infrastructure.
What is the potential impact of a successful attack?
A successful attack can result in takeover of Oracle HTTP Server, with high impacts to confidentiality, integrity, and availability.