CVE-2026-87300 Oracle Weblogic Server Proxy Plug-in - Broken Access Control

Oracle Weblogic Server Proxy Plug-in 12.2.1.4.0, 14.1.1.0.0, and 14.1.2.0.0 contains an unauthorized data access vulnerability caused by improper access control, letting unauthenticated network attackers via HTTP create, delete, or modify critical data, exploit requires network access with high attack complexity.

CVSS base score 8.7 /10
High
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:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Published
20 October 2026
Updated
21 October 2026

Vendor fix

Update to the latest available version beyond 14.1.2.0.0.

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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