PT-2026-65705 · Three Learning · Koollab Lms

CVE-2026-63234 · Published 2026-07-29 · Updated 2026-07-29

Mitre

CVSS v3.1

9.9

Critical

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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.

Fix

Related Identifiers

CVE-2026-63234

Affected Products

Koollab Lms

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-63234 · Security Note
• https://csa.gov.sg/alerts-and-advisories/alerts/al-2026-094 · Note