CVE-2026-55441 mise: Arbitrary command execution via task-include files in an untrusted, config-less repository

mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.6.4, mise's trust feature gates config files mise.toml, .tool-versions through trustcheck, but task-include files are loaded on a path that never reaches it. When a directory has a task-include dir mise-tasks/,...

CVE-2026-55441

CVE-2026-55441 affects the Mise toolchain. The root cause is that, prior to 2026.6.4, task-include files loaded from directories without config files bypass trust checks and render task fields with a Terraform-like template engine that registers an exec() function. If a directory contains a task-...

Mise vulnerable to arbitrary command execution via task-include files in an untrusted, config-less repository

Summary mise's trust feature gates config files mise.toml, .tool-versions through trustcheck, but task-include files are loaded on a path that never reaches it. When a directory has a task-include dir mise-tasks/, .mise/tasks/, … but no config file, mise falls back to the default includes and...