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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, …

Medium CVSS 4.3
CVECVE-2026-63240
First seen2026-07-29 08:15 UTC
Disclosed2026-07-29 07:16 UTC
Last updated2026-07-29 08:15 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD