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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Fixes

Solution

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Workaround

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History

Wed, 29 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
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.
Title Authentication bypass vulnerability
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: CSA

Published:

Updated: 2026-07-29T14:28:37.043Z

Reserved: 2026-07-16T02:35:54.249Z

Link: CVE-2026-63238

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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