CVE-2026-21962: Maximum-severity Vulnerability in Oracle HTTP Server/WebLogic Proxy Plug-In
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. An unauthenticated remote threat actor can exploit this flaw to gain unauthorized creation, deletion, or modification access to critical data. The issue stems from improper handling of incoming requests by the WebLogic Server Proxy Plug‑ins for Apache HTTP Server and Microsoft IIS.