CVE-2026-63237

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.

CVSS Vector

References

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