CVE-2026-40959
9.3
CRITICAL
CVSS 3.1
EPSS 0.18%
Description
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
How to fix CVE-2026-40959
To remediate CVE-2026-40959, upgrade the affected package to a fixed version below.
- Debian/luanti—upgrade to 5.10.0+dfsg-5+deb13u1 or later
Is CVE-2026-40959 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.10.0+dfsg-5+deb13u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |