Arbitrary file upload in An Unrestricted Scorm File Upload Vulnerability In Koollab Lms Allowed Authenticated Module Designer To A Package Containing Php Webshell Publicly Accessible Directory And Execute Arbitrary Code On The Server.
CVE-2026-63227
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.
Vulnerability class: Unrestricted File Upload
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-63227?
- CVE-2026-63227 is a critical-severity vulnerability in An Unrestricted Scorm File Upload Vulnerability In Koollab Lms Allowed Authenticated Module Designer To A Package Containing Php Webshell Publicly Accessible Directory And Execute Arbitrary Code On The Server., classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2026-07-29.
- How severe is CVE-2026-63227?
- Critical severity. CVSS v3 base score is 9.9 out of 10.