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CVE-2026-40959

Quick assessment

Affected
Luanti Luanti
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Luanti是Luanti开源的一个开源体素游戏引擎，支持模组与游戏创作。 Luanti 5 5.15.2之前版本存在安全漏洞，该漏洞源于使用LuaJIT时可能通过特制mod实现Lua沙箱逃逸。

CVSS 9.3 · Critical EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-40959

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
从非可信控制范围包含功能例程
Source: CVE Program / CVE List V5
Vulnerability Title
Luanti 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Luanti是Luanti开源的一个开源体素游戏引擎，支持模组与游戏创作。 Luanti 5 5.15.2之前版本存在安全漏洞，该漏洞源于使用LuaJIT时可能通过特制mod实现Lua沙箱逃逸。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Luanti Luanti 5.0.0 ~ 5.15.2 -

II. Public POCs for CVE-2026-40959

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III. Intelligence Information for CVE-2026-40959

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Patches & Fixes for CVE-2026-40959 (2)

IV. Related Vulnerabilities

Same product: Luanti
Same vendor: Luanti
Same weakness: CWE-829

V. Comments for CVE-2026-40959

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