CVE-2026-40959
Luanti Lua Sandbox Escape
Description
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
INFO
Published Date :
April 16, 2026, 1:16 a.m.
Last Modified :
April 16, 2026, 1:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-40959
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 8254265b-2729-46b6-b9e3-3dfca2d5bfca | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update Luanti to version 5.15.2 or later.
- Use the latest stable version of LuaJIT.
- Review and tighten sandbox configurations.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-40959.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-40959 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-40959
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-40959 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-40959 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Apr. 16, 2026
Action Type Old Value New Value Added Description Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-829 Added Reference https://github.com/luanti-org/luanti/commit/53cef183e2a85a4daff84ac1a9a7946f940da8f8 Added Reference https://github.com/luanti-org/luanti/commit/8a929dfb97aa08337f49ba1bb96a56d6557dc896 Added Reference https://github.com/luanti-org/luanti/security/advisories/GHSA-g596-mf82-w8c3