CVE-2026-87302 Oracle WebLogic Server - Broken Access Control

Oracle WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 contain an unauthorized data access and modification vulnerability caused by unauthenticated network access via HTTP, letting attackers create, delete, or modify critical data without authentication.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
20 October 2026
Updated
21 October 2026

Vendor fix

Update to the latest available version of Oracle WebLogic Server.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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