CVE-2026-63242: medium-severity vulnerability in Three Learning Koollab LMS
Business logic vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.3%
A business logic vulnerability in Koollab LMS
allowed an
authenticated learner to set their lesson completion status to completed via
the SCORM commit endpoint without viewing the lesson material, compromising
training and completion records.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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%