Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
Priority MEDIUM 41CWE-829Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-829.
Summary
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th percentileScored 2026-11-07
Fix Fixed Luanti (Luanti): 5.15.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Luanti (Luanti) Fixed in 5.15.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Luanti 5.15.2
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-29611 Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment.Priority LOW 36
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-40959
- 2026-10-03 Alias added: GHSA-wxm2-x9x9-x5mj
References
More Luanti vulnerabilities
- TI-2026-29611 Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment. CVSS 3.1HIGH 8.1
Sources
- CVE-2026-40959 · CVE Program
- CVE-2026-40959 · NVD
- FIRST EPSS
- GHSA-wxm2-x9x9-x5mj · GitHub Advisory Database · CC BY 4.0
- CVE-2026-40959 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences