CVE-2026-34315 Open redirect in Oracle WebLogic Server

Medium 6.5 Published 21 Apr 2026 Updated 22 Apr 2026

Unauthenticated attackers can exploit an open redirect in Oracle WebLogic Server to modify critical data via HTTP.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-34315?

CVE-2026-34315 is a medium-severity vulnerability in Oracle Weblogic Server, published on 21 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N).

Weakness: CWE-601, CWE-285

Which versions are affected by CVE-2026-34315?

It affects 1 product.

Products include Oracle Weblogic Server.

How do I fix CVE-2026-34315?

No fix has been published for CVE-2026-34315 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-34315 being exploited?

There is no known exploitation of CVE-2026-34315 in the wild and no public exploit code.

All Oracle Weblogic Server vulnerabilities

Sources

Also known as GHSA-2rv4-33jh-89fc.