Unrated severityNVD Advisory· Published Jul 29, 2026· Updated Jul 29, 2026
Authentication bypass vulnerability
CVE-2026-63238
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.
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Affected products
1Patches
Vulnerability mechanics
References
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