CVE-2026-34291: High severity Oracle Oracle HTTP Server vulnerability
Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Core). 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).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-34291?
CVE-2026-34291 is considered a difficult to exploit vulnerability that allows an unauthenticated attacker to compromise Oracle HTTP Server.
How do I fix CVE-2026-34291?
To fix CVE-2026-34291, upgrade to a patched version of Oracle HTTP Server that addresses the vulnerability.
What versions of Oracle HTTP Server are affected by CVE-2026-34291?
CVE-2026-34291 affects Oracle HTTP Server versions 12.2.1.4.0 and 14.1.2.0.0.
Can CVE-2026-34291 be exploited remotely?
Yes, CVE-2026-34291 can be exploited remotely via HTTP by an unauthenticated attacker.
What component of Oracle Fusion Middleware does CVE-2026-34291 impact?
CVE-2026-34291 impacts the Core component of the Oracle HTTP Server in Oracle Fusion Middleware.