PT-2026-65709 · Three Learning · Koollab Lms

CVE-2026-63238 · Published 2026-07-29 · Updated 2026-07-29

Mitre

CVSS v3.1

6.5

Medium

Base vector

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

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.

Fix

Related Identifiers

CVE-2026-63238

Affected Products

Koollab Lms

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-63238 · Security Note
• https://csa.gov.sg/alerts-and-advisories/alerts/al-2026-094 · Note