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EUVD-2026-330738

2026-10-06T03:06:03.200372+00:00

EUVD-2026-330738

fkie_cve-2026-55441

2026-10-06T03:06:03.200454+00:00

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 trust_check, 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 renders each task's tera fields — and that tera environment has exec() registered. A {{ exec(command='…') }} in any rendered field runs arbitrary commands the moment the tasks are merely listed. There's no config file to gate on, so no trust prompt ever appears. Read-only commands trigger it: mise tasks, mise task ls, mise run, mise tasks --usage (the query shell completion runs on Tab). The victim only has to cd into a cloned repo and list or tab-complete a task. This vulnerability is fixed in 2026.6.4.

GHSA-77g9-363w-rccq — Mise vulnerable to arbitrary command execution via task-include files in an untrusted, config-less repository

2026-10-06T03:06:03.200516+00:00

Affected: crates.io: mise

### Summary

mise's trust feature gates config files (`mise.toml`, `.tool-versions`) through `trust_check`, 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 renders each task's tera fields — and that tera environment has `exec()` registered. A `{{ exec(command='…') }}` in any rendered field runs arbitrary commands the moment the tasks are merely listed. There's no config file to gate on, so no trust prompt ever appears. Read-only commands trigger it: `mise tasks`, `mise task ls`, `mise run`, `mise tasks --usage` (the query shell completion runs on Tab). The victim only has to `cd` into a cloned repo and list or tab-complete a task ## Details

Trust is enforced only inside config-file parsing:

- `src/config/config_file/mise_toml.rs:276` — `MiseToml::from_str` → `trust_check(path)?` - `src/config/config_file/tool_versions.rs:62` — `.tool-versions` parser → `trust_check(&path)?` - `src/config/env_directive/mod.rs:681` — env templates → `trust_check(path)?` (only when the value contains template syntax)

Task-include files are loaded by `load_tasks_in_dir` / `load_local_tasks_with_context`, which walk every directory from CWD up to root. For each directory, `configs_at_root` returns the parsed (trusted) configs rooted there; **if there is no config in the directory**, mise falls back to the default task-include list resolve…