CVE-2026-63227

Severity CVSS v4.0:

Pending analysis

Type:

CWE-434 Unrestricted Upload of File with Dangerous Type

Publication date:

29/07/2026

Last modified:

30/07/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.90 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.90

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/