EUVD-2026-56858

Claude Code Templates is a CLI tool for configuring and monitoring Claude Code. Prior to 1.29.4, the Claude Code Studio server launched by the --studio option in cli-tool/src/sandbox-server.js binds to all interfaces on port 3444, permits cross-origin requests, and requires no authentication. The...

CVE-2026-73222 Claude Code Templates: Unauthenticated OS command injection (RCE) in Claude Code Studio server (--studio)

Claude Code Templates is a CLI tool for configuring and monitoring Claude Code. Prior to 1.29.4, the Claude Code Studio server launched by the --studio option in cli-tool/src/sandbox-server.js binds to all interfaces on port 3444, permits cross-origin requests, and requires no authentication. The...

CVE-2026-73222

CVE-2026-73222 – Claude Code Templates : The Claude Code Studio server (launched via --studio) in cli-tool/src/sandbox-server.js previously bound to all interfaces on port 3444, allowed cross-origin requests, and required no authentication. The POST /api/execute endpoint forwards the prompt to ex...