CVE-2026-63232

CRITICAL

Three Learning Koollab Lms < 5.3.2 - SQL Injection

Title source: rule
STIX 2.1

Description

A SQL injection and unsafe deserialisation vulnerability in Koollab LMS allowed an authenticated attacker to inject through the assessment reinforcement endpoint, control data passed to unserialize(), write a webshell to a publicly accessible location, and execute arbitrary code on the server.

Scores

CVSS v3 9.9
EPSS 0.0029
EPSS Percentile 21.7%
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-89
Status published
Products (1)
Three Learning/Koollab LMS 5.3.2
Published Jul 29, 2026
Tracked Since Jul 29, 2026