CVE-2026-63238

MEDIUM CVSS 6.5 View on NVD ↗

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

References

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

Published: Jul 29, 2026 07:16 UTC Modified: Jul 29, 2026 15:16 UTC