CVE-2026-63235

lowCVSS 3.7covered by 1 sourcefirst seen 2026-07-29

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.

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Exploitation outlook

Low exploitation risk0.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.

Advisory coverage (1)

lowCVE-2026-63235: An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to…nvd · 2026-07-29

External references

NVD record for CVE-2026-63235

CVE.org record

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