CVE-2026-63240

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.

CVSS 3.1

4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

CWE

CWE-200

Published

2026-07-29

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

References

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

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