CVE-2026-63227

CRITICAL

Unrestricted SCORM file upload vulnerability

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 9.9
EPSS 0.0033
EPSS Percentile 25.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-434
Status published
Products (1)
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 execu/Koollab LMS 5.3.2
Published Jul 29, 2026
Tracked Since Jul 29, 2026