CVE-2026-63227

Unrestricted SCORM file upload vulnerability

Critical · published July 29, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
47.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00590 · 47.5th percentile
Published
2026-07-29T06:05Z
EPSS history
Timeline
  • 29 JUL 06:05Z
    Unrestricted SCORM file upload vulnerability
    cvelistv5