Summary
It was discovered that Minetest did not properly sanitize the Lua sandbox environment
when using LuaJIT. A malicious mod could escape the sandbox to execute arbitrary code
and gain full file system access on the server. An attacker could use this issue to
compromise the server.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | minetest | 5.1.1+repack-1ubuntu0.1~esm1 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | minetest | 5.4.1+repack-2ubuntu0.1~esm1 |
| Ubuntu · Pro 24.04 LTS Pro:24.04:LTS | minetest | 5.6.1+dfsg+~1.9.0mt8+dfsg-4ubuntu0.1~esm1 |
Vulnerabilities 1
-
Critical 9.0
Luanti has a mod security sandbox escape
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 t…
References
-
report
https://ubuntu.com/security/CVE-2026-41196