CVE-2026-12046 pgAdmin 4: Unauthenticated pickle deserialization in SQL Editor close / update_connection routes enables remote code execution

Two state-mutating endpoints in pgAdmin 4's SQL Editor blueprint -- DELETE /sqleditor/close/ and POST /sqleditor/initialize/sqleditor/updateconnection/// -- were the only routes in the module missing the @pgaloginrequired decorator. Both reach a pickle.loads sink on session'gridData''commandobj':...