VULNERABILITY INTELLIGENCE
CVE-2026-63238
CVSS score6.5 MEDIUM
EPSS probability0.34%
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:H/I:L/A:N
Description
An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-287