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CVE PROGRAM SOURCE RECORD4.8 Medium

CVE-2026-63237

TOTP two-factor authentication bypass vulnerability

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Three Learning Koollab LMS

Default version status: unaffected

  • 5.3.2affected

References