CVE-2026-63240

EUVD-2026-50135
An information disclosure vulnerability in Koollab LMS allowed an authenticated learner
to obtain correct quiz answers from the course status endpoint without
completing the assessment legitimately, compromising the integrity of
assessments.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Common Weakness Enumeration
References
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/