CVE-2026-35298 Auth bypass in WebLogic Server

Critical 9.1 Published 16 Jun 2026 Updated 18 Jun 2026

High-privileged attackers can compromise WebLogic Server via HTTP, leading to full takeover and significant impact on additional products.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-35298?

CVE-2026-35298 is a critical authentication bypass vulnerability in Oracle Weblogic Server, published on 16 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Core). 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 high privileged attacker with network access via HTTP to compromise WebLogic Server. While the vulnerability is in WebLogic Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of WebLogic Server. CVSS 3.1 Base Score 9.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-35298?

It affects 1 product.

Products include Oracle Weblogic Server.

How do I fix CVE-2026-35298?

No fix has been published for CVE-2026-35298 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-35298 being exploited?

There is no known exploitation of CVE-2026-35298 in the wild and no public exploit code.

All Oracle Weblogic Server vulnerabilities

Sources

Also known as GHSA-287r-jpj4-cv8r.