Vulnerability Description
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
CVSS Score
9.3
CRITICAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Related Weaknesses (CWE)
References
- https://github.com/luanti-org/luanti/commit/53cef183e2a85a4daff84ac1a9a7946f940d
- https://github.com/luanti-org/luanti/commit/8a929dfb97aa08337f49ba1bb96a56d6557d
- https://github.com/luanti-org/luanti/security/advisories/GHSA-g596-mf82-w8c3
FAQ
What is CVE-2026-40959?
CVE-2026-40959 is a vulnerability with a CVSS score of 9.3 (CRITICAL). Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
How severe is CVE-2026-40959?
CVE-2026-40959 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-40959?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.