CVE-2026-34291 Missing authorization in Oracle HTTP Server
Unauthenticated attackers can compromise Oracle HTTP Server to read, create, delete, or modify critical data via network access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34291?
CVE-2026-34291 is a high-severity missing authorization vulnerability in Oracle Http Server, published on 21 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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).
Weakness: CWE-284
Which versions are affected by CVE-2026-34291?
It affects 1 product.
Products include Oracle Http Server.
How do I fix CVE-2026-34291?
No fix has been published for CVE-2026-34291 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-34291 being exploited?
There is no known exploitation of CVE-2026-34291 in the wild and no public exploit code.
Other vulnerabilities in Oracle Http Server
Sources
Also known as GHSA-cc6c-v4r7-vf9x.