CVE-2026-40959
luanti: Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
CVE-2026-40959 is fixed in 6 products on 1 platform, first by luanti 5.10.0+dfsg-5+deb13u1build0.25.10.1, released April 15, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.3
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0018
7th percentile
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| luanti · Debian 13.5 (trixie) | 5.10.0+dfsg-5+deb13u1 | DEBIAN-CVE-2026-40959 | May 15, 2026 |
| luanti · Debian 14 | 5.15.2+dfsg-1 | DEBIAN-CVE-2026-40959 | May 15, 2026 |
| luanti · Ubuntu 25.10 (questing) | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | luanti 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Apr 15, 2026 |
| luanti · Ubuntu 26.04.1 LTS (resolute) | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | luanti 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Apr 22, 2026 |
| luanti-data · Ubuntu 25.10 (questing) | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | luanti-data 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Apr 15, 2026 |
| luanti-data · Ubuntu 26.04.1 LTS (resolute) | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | luanti-data 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Apr 22, 2026 |
| luanti-server · Ubuntu 25.10 (questing) | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | luanti-server 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Apr 15, 2026 |
| luanti-server · Ubuntu 26.04.1 LTS (resolute) | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | luanti-server 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Apr 22, 2026 |
| minetest · Ubuntu 25.10 (questing) | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | minetest 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Apr 15, 2026 |
| minetest · Ubuntu 26.04.1 LTS (resolute) | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | minetest 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Apr 22, 2026 |
| minetest-data · Ubuntu 25.10 (questing) | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | minetest-data 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Apr 15, 2026 |
| minetest-data · Ubuntu 26.04.1 LTS (resolute) | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | minetest-data 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Apr 22, 2026 |
| minetest-server · Ubuntu 25.10 (questing) | 5.10.0+dfsg-5+deb13u1build0.25.10.1 | minetest-server 5.10.0+dfsg-5+deb13u1build0.25.10.1 | Apr 15, 2026 |
| minetest-server · Ubuntu 26.04.1 LTS (resolute) | 5.10.0+dfsg-5+deb13u1build0.26.04.1 | minetest-server 5.10.0+dfsg-5+deb13u1build0.26.04.1 | Apr 22, 2026 |
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