CVE-2026-63237

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

4.8

Vector

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

Exploitability: 2.2 / Impact: 2.5

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

Description

A TOTP two-factor authentication bypass vulnerability in Koollab LMS allowed an attacker to supply a client-controlled seed to generate a matching one-time password and bypass the second authentication factor, potentially enabling unauthorised access to administrator accounts.

Related CWEs

CWE-347

Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

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.