CVE-2026-63236: 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 read another user's name, internal identifier,
scores, lesson status, lesson position, and cached lesson state via the SCORM
API endpoint.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/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%