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CVE-2026-63238

MEDIUM
6.5
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-63238
State
PUBLISHED
Assigner
CSA
Reserved
2026-07-16 02:35 UTC
Published
2026-07-29 06:27 UTC
Last updated
2026-07-29 06:27 UTC
Vendor / Product
Three Learning / Koollab LMS
Sources
cve.org  ·  NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Affected products (1)
VendorProductPlatformVersions
Three Learning Koollab LMS 5.3.2
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.5 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
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