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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Three Learning Koollab LMS unaffected
Version Status Constraints
5.3.2 affected —

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/ cve-icon
History

Wed, 29 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Information disclosure vulnerability
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: CSA

Published:

Updated: 2026-07-29T06:29:53.671Z

Reserved: 2026-07-16T02:35:54.249Z

Link: CVE-2026-63240

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.