CVE-2026-40959

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Summary

CVECVE-2026-40959
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-16 01:16:11 UTC
Updated2026-04-17 15:38:09 UTC
DescriptionLuanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.

Risk And Classification

Primary CVSS: v3.1 9.3 CRITICAL from [email protected]

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

EPSS: 0.000040000 probability, percentile 0.002060000 (date 2026-04-21)

Problem Types: CWE-829 | CWE-829 CWE-829 Inclusion of Functionality from Untrusted Control Sphere

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.3CRITICALCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS9.3CRITICALCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Luanti Luanti affected 5.0.0 5.15.2 semver Not specified

References

ReferenceSourceLinkTags
github.com/luanti-org/luanti/security/advisories/GHSA-g596-mf82-w8c3 [email protected] github.com
github.com/luanti-org/luanti/commit/53cef183e2a85a4daff84ac1a9a7946f940d... [email protected] github.com
github.com/luanti-org/luanti/commit/8a929dfb97aa08337f49ba1bb96a56d6557d... [email protected] github.com
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