Is CVE-2026-40960 actively exploited?

No active exploitation of CVE-2026-40960 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-40960 be exploited remotely?

No. CVE-2026-40960 requires local access to exploit.

What is the CVSS score of CVE-2026-40960?

CVE-2026-40960 has a CVSS score of 8.1 (HIGH).

HOME VULNERABILITIESCVE-2026-40960

HIGH

CVE-2026-40960

CWE-670Published: April 16, 2026· Updated: Apr 17, 2026

8.1

CVSS v3.1

EPSS:0.00%probability of exploitation in 30 daysPercentile:0.2th

Official Description

Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment. If at least one mod is listed as secure.trusted_mods or secure.http_mods, then a crafted mod can intercept the request for the insecure environment or HTTP API, and also receive access to it.

NVD Source

Technical Analysis

CVE-2026-40960 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.