PT-2026-33197 · Luanti · Luanti

Published 2026-04-16 · Updated 2026-04-16 · CVE-2026-40959

Positive Technologies (AI Summary)

CVSS v3.1

9.3

Critical

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

Name of the Vulnerable Software and Affected Versions Luanti versions 5.0 through 5.15.1

Description A sandbox escape exists when LuaJIT is used, allowing a crafted mod to execute arbitrary code outside the game engine.

Recommendations Update to version 5.15.2.

Fix

Weakness Enumeration

CWE-829

Related Identifiers

CVE-2026-40959

Affected Products

Luanti

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-40959 · Security Note
• https://github.com/luanti-org/luanti/security/advisories/GHSA-g596-mf82-w8c3 · Note
• https://github.com/luanti-org/luanti/commit/53cef183e2a85a4daff84ac1a9a7946f940da8f8 · Note
• https://github.com/luanti-org/luanti/commit/8a929dfb97aa08337f49ba1bb96a56d6557dc896 · Note
• https://twitter.com/0dayPublishing/status/2044583979181867218 · Twitter Post
• https://twitter.com/CVEnew/status/2044701595934572831 · Twitter Post