CVE-2026-63235: low-severity vulnerability in Three Learning Koollab LMS
Improper access control vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 3.7epss 0.3%
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/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Three Learning · Koollab LMSRelated CVEs — Three Learning Koollab LMS
In the same product, most dangerous first.
CVE-2026-63234CRITICALSQL injection and unsafe deserialisation vulnerabilityEPSS 0.5%CVE-2026-63233CRITICALSQL injection and unsafe deserialisation vulnerabilityEPSS 0.5%CVE-2026-63232CRITICALSQL injection and unsafe deserialisation vulnerabilityEPSS 0.5%CVE-2026-63230CRITICALPre-authentication error-based SQL injection vulnerabilityEPSS 0.5%CVE-2026-63229CRITICALPre-authentication blind SQL injection vulnerabilityEPSS 0.5%CVE-2026-63231HIGHPost-authentication SQL injection vulnerabilityEPSS 0.4%