CVE-2026-39405 Frappe has Path Transversal via SCORM

Critical 9.4 Published Updated

A user with course editing privileges can upload a malicious SCORM ZIP to write files outside the intended directory in Frappe LMS.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-39405?

CVE-2026-39405 is a critical path traversal vulnerability in frappe lms, published on 20 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. In versions 2.50.0 and below, a user with course editing role could upload a SCORM ZIP package to write files outside the intended directory. This issue has been resolved in version 2.50.1.

Weakness: CWE-22

Which versions are affected by CVE-2026-39405?

How do I fix CVE-2026-39405?

No fix has been published for CVE-2026-39405 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-2026-39405 being exploited?

There is no known exploitation of CVE-2026-39405 in the wild and no public exploit code.

Sources

Also known as GHSA-mxh7-g3r7-g96h.

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