CVE-2026-63234
CRITICAL
9,9
Source: 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
A SQL injection and unsafe deserialisation
vulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark
assessment endpoint, control data passed to unserialize(), write a webshell to
a publicly accessible location, and execute arbitrary code on the server.
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/