CVE.RADIO
FREN

CVE-2026-63231

Three Learning Koollab LMSVulnerabilityCVSS 8.1

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.

No public exploitation has been reported so far. No distribution fix is listed yet; apply vendor mitigations and monitor.

Recommended action: Track your distribution's security tracker and apply the fix as soon as it ships.

CVE-2026-63231 Three Learning Koollab LMS Vulnerability

Severity metrics

CVSS 3.1 : 8.1 HIGH

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone

Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected & fixed versions by distribution

Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.

No affected package in the tracked watchlist yet (Debian, Ubuntu, Arch, SUSE, Red Hat...). Triage may still be pending.

Sources

Published 2026-07-29 · source: NVD