CVE-2026-63231: high-severity vulnerability in Three Learning Koollab LMS
Post-authentication SQL injection vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 0.4%
A post-authentication SQL injection
vulnerability in Koollab LMS allowed an authenticated attacker to use an error-based SQL oracle via
the face-to-face runs update endpoint to read the entire application database
and obtain valid JWT tokens for account takeover.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2026-63238MEDIUMAuthentication bypass vulnerabilityEPSS 0.3%