CVE-2026-63235

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.

CVSS 3.1

3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-25)

CWE

CWE-284

Published

2026-07-29

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

References

• https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/

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