CVE-2026-40959 CRITICAL

CVE-2026-40959

Vendor Luanti
Product Luanti
Weakness CWE-829 · Inclusion from untrusted sphere
Published April 16, 2026
Last update April 16, 2026

CVSS base score

9.3/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 16, 2026 CVE published
April 16, 2026 Record updated