On January 20, 2026, Oracle patched a maximum‑severity vulnerability in its Fusion Middleware suite affecting Oracle HTTP Server and the WebLogic Server Proxy Plug‑in, tracked as CVE‑2026‑21962.

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Oracle patched CVE-2026-21962, a maximum-severity vulnerability in Fusion Middleware affecting Oracle HTTP Server and WebLogic Server Proxy Plug-in. Unauthenticated remote attackers can exploit this flaw to gain unauthorized access to create, delete, or modify critical data. The vulnerability stems from improper request handling in WebLogic Server Proxy Plug-ins for Apache HTTP Server and Microsoft IIS. While no active exploitation has been observed, the ease of exploitation and potential access level make it an attractive target. Organizations should apply patches immediately for affected versions (12.2.1.4.0).