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Vulnerability IntelligenceCVE-2026-40959

CVE-2026-40959

CRITICAL9.3

Luanti 5 before 5

Published Apr 16, 2026

Modified 4 days ago

Details

Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.

References

https://github.com/luanti-org/luanti/commit/53cef183e2a85a4daff84ac1a9a7946f940da8f8

https://github.com/luanti-org/luanti/commit/8a929dfb97aa08337f49ba1bb96a56d6557dc896

https://github.com/luanti-org/luanti/security/advisories/GHSA-g596-mf82-w8c3

https://www.cve.org/CVERecord?id=CVE-2026-40959

CVSS Analysis

CVSS v3.1

9.3

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

ChangedS:C

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.3/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

Trust

Untrusted Control Sphere

Ecosystems

Timeline

PublishedApr 16, 2026

ModifiedApr 16, 2026

CVE-2026-40959 | Mondoo Vulnerability Intelligence