CVE-2026-63238

Published: Jul 29, 2026Modified: Oct 23, 2026Deferred

6.5

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Exploitability: 2.2 / Impact: 4.2

Source: 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 (Secondary)

Description

An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (1)

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

Source: 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

Timeline

No history available yet.