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9.8
CVE-2026-91323: Oracle WebLogic Server can be taken over remotely
CVE-2026-91323 · published 12 days ago
Summary
Versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0 of Oracle WebLogic Server are affected. An attacker on the network can access the server through a web request without any credentials and gain full control. Apply the latest security patches from Oracle as soon as possible.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| oracle corporation | oracle weblogic server | 12.2.1.4.0 |
Original advisory text
Vulnerability in the Oracle 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. Easi...
Vulnerability in the Oracle 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 unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker full control
Type
CWE-287Improper Authentication
CWE-306Missing Authentication for Critical Function
Timeline
Published20 Oct 2026
Updated30 Oct 2026
First seen20 Oct 2026
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