# CVE-2026-41196

> Vulnerability · severity: **CRITICAL** (CVSS 10).

## Description

Luanti (formerly Minetest) is an open source voxel game-creation platform. Starting in version 5.0.0 and prior to version 5.15.2, a malicious mod can trivially escape the sandboxed Lua environment to execute arbitrary code and gain full filesystem access on the user's device. This applies to the server-side mod, async and mapgen as well as the client-side (CSM) environments. This vulnerability is only exploitable when using LuaJIT. Version 5.15.2 contains a patch. On release versions, one can also patch this issue without recompiling by editing `builtin/init.lua` and adding the line `getfenv = nil` at the end. Note that this will break mods relying on this function (which is not inherently unsafe).

## Key facts

- **CVE ID:** CVE-2026-41196
- **Published:** 2026-04-23
- **CVSS severity:** CRITICAL
- **CVSS base score:** 10
- **CWE codes:** CWE-94

## Affected products

- `minetest:minetest`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-41196

## Citation

> AI Analytics. CVE-2026-41196. Retrieved 2026-07-15 from https://api.ai-analytics.org/cve/CVE-2026-41196. Derived from NIST NVD. Licensed CC0.

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