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CVE-2026-39405 is a path traversal vulnerability in Frappe Learning Management System (LMS) versions 2.50.0 and earlier. During SCORM ZIP package handling, LMS uses a course chapter title controlled by a user with course-editing privileges as part of the archive extraction destination without adequate path sanitization. Traversal sequences in the title can cause archive contents to be written outside the intended public-assets directory, permitting overwrite of application files and enabling remote code execution.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A path-traversal vulnerability in Frappe LMS SCORM package uploads that allows a course creator/administrator to write attacker-controlled files into the application directory and achieve remote code execution.
A path traversal vulnerability in Frappe Learning Management System (LMS) that allows a user with course editing privileges to upload a SCORM ZIP package and write files outside the intended directory.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.