High severity · published Apr 16, 2026
CVE-2026-40960
Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LU
Luanti · Luanti
5.0.0 before 5.15.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40960
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40960
github.com
https://github.com/luanti-org/luanti/commit/0faf529bc4b89e70a275ed1162047815118f2413
github.com
https://github.com/luanti-org/luanti/commit/827fd4cf7f989482b2dad381fa4afd642ea73e8c
github.com
https://github.com/luanti-org/luanti/security/advisories/GHSA-22c4-238c-m5j4
More from Luanti
9.3
CVE-2026-40959
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod