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CVE-2026-41196

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 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).

CVSS 4.0 · 9 Critical EPSS < 1% KEV · Not listed
Vendors
Luanti Minetest
Products
Luanti Minetest
CVE-2026-40959

Lua sandbox escape via crafted module in Luanti using LuaJIT

Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.

CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Luanti
Products
Luanti
CVE-2026-40960

Crafted Module Enables Unauthorized Access to Insecure Environment in Luanti

Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment. If at least one mod is listed as secure.trusted_mods or secure.http_mods, then a crafted mod can intercept the request for the insecure environment or HTTP API, and also receive access to it.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Luanti
Products
Luanti