CVE-2026-63237
MEDIUM
NVD
CVSS Score
4.8
Severity
MEDIUM
Published
Jul 29, 2026
Vendor
unknown
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.