CVE-2026-63236 — Improper access control vulnerability

CVE-2026-63236

Improper access control vulnerability PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Three Learning / Koollab LMS	affected 5.3.2

CWE

No CWE identifiers supplied.

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.