CVE-2026-19046 NocteDefensor LudusMCP ludus_environment_guides_search ludusEnvironmentGuidesSearch.ts path traversal

Medium 4.8 Published Updated

A path traversal vulnerability in LudusMCP allows local attackers to read arbitrary files via the guide_name argument.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-19046?

CVE-2026-19046 is a medium-severity path traversal vulnerability in NocteDefensor LudusMCP, published on 6 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security vulnerability has been detected in NocteDefensor LudusMCP up to 1.0.24. The impacted element is an unknown function of the file src/tools/ludusEnvironmentGuidesSearch.ts of the component ludus_environment_guides_search. Such manipulation of the argument guide_name leads to path traversal. Local access is required to approach this attack. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-22

Which versions are affected by CVE-2026-19046?

How do I fix CVE-2026-19046?

No fix has been published for CVE-2026-19046 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-19046 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19046 exists.

Sources

Also known as GHSA-6j8j-xrrf-px36.

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