CVE•Published 2026-04-16•Modified 2026-05-19•1 article on news•6 live references•NVD data

CVE-2026-40959

Vulnerability data via NVD (ingested)

CVSS v3.1

9.3

CRITICAL

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

EPSS percentile

Exploit Prediction Scoring System · top 100% of all CVEs

Weaknesses (CWE)

CWE-829Inclusion of Functionality from Untrusted Control Sphere

Description

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

Timeline

Published 2026-04-16

Modified 2026-05-19

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-40959

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-40959

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-40959

Censys host search filtered to this CVE id.

grep.app

CVE-2026-40959

Public source-code mentions — fast PoC discovery.

GitHub code

CVE-2026-40959

GitHub code search for direct mentions.

Google dork

"CVE-2026-40959" exploit -site:nvd.nist.gov

Write-ups and news, NVD excluded.

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-40959 on GitHub.