CVE-2026-63227

CRITICAL CVSS 3.1: 9.9
Updated Jul 29, 2026
An Unrestricted Scorm File Upload Vulnerability In Koollab Lms Allowed An Authenticated Module Designer To Upload A Scorm Package Containing A Php Webshell To A Publicly Accessible Directory And Execute Arbitrary Code On The Server.
Parameter Value
CVSS 9.9 (CRITICAL)
Vendor An Unrestricted Scorm File Upload Vulnerability In Koollab Lms Allowed An Authenticated Module Designer To Upload A Scorm Package Containing A Php Webshell To A Publicly Accessible Directory And Execute Arbitrary Code On The Server.
Public PoC No

An unrestricted SCORM file upload vulnerability in Koollab LMS allowed an authenticated module designer to upload a SCORM package containing a PHP webshell to a publicly accessible directory and execute arbitrary code on the server.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

an unrestricted scorm file upload vulnerability in koollab lms allowed an authenticated module designer to upload a scorm package containing a php webshell to a publicly accessible directory and execute arbitrary code on the server.:koollab lms