CVE-2026-40960: Luanti

High severity, CVSS 8.1. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Luanti Luanti: from 5.0.0, before 5.15.2 (fixed in 5.15.2)

Published 2026-04-16. Last modified 2026-06-17.