VULNERABILITY INTELLIGENCE
CVE-2026-63237
CVSS score4.8 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-07-29
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-347