CVE-2026-63235
Low
Description
An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to forcibly terminate the session of any user given their email address via the login kickout endpoint, resulting in a denial of service.
SeverityLow
CVSS3.7
Exploit probability—
ProductKoollab LMS
PublishedJul 29, 2026
First seenJul 29, 2026
Weakness typeCWE-284Improper access control
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Three Learning Koollab LMS | 5.3.2 | — |
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