CVE-2026-91473
High
Description
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).
SeverityHigh
CVSS7.8
Exploit probability—
Product
Oracle HTTP Server
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Oracle Corporation Oracle HTTP Server | 12.2.1.4.0 | — |
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