CVE-2026-63232: critical vulnerability in Three Learning Koollab LMS
SQL injection and unsafe deserialisation vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.9epss 0.5%
A SQL injection and unsafe deserialisation
vulnerability in Koollab LMS allowed an authenticated attacker to inject through the assessment
reinforcement endpoint, control data passed to unserialize(), write a webshell
to a publicly accessible location, and execute arbitrary code on the server.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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-2026-63230CRITICALPre-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%CVE-2026-63238MEDIUMAuthentication bypass vulnerabilityEPSS 0.3%