CVE-2026-63241

Insecure direct object reference vulnerability

Published Jul 29, 2026 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
An insecure direct object reference
vulnerability in Koollab LMS allowed an authenticated user to query the course completion progress
of any other user without authorisation, disclosing private learning progress
information.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Three Learning
Three Learning koollab Lms
Weaknesses CWE-639
Vendors & Products Three Learning
Three Learning koollab Lms
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An insecure direct object reference vulnerability in Koollab LMS allowed an authenticated user to query the course completion progress of any other user without authorisation, disclosing private learning progress information.
Title Insecure direct object reference vulnerability
References
Metrics cvssV3_1

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
CSA
Published
Updated
Jul 29, 2026, 2:21 PM
Reserved
Jul 16, 2026, 2:35 AM
Status
Deferred
Published
Jul 29, 2026, 7:16 AM
Modified
Oct 23, 2026, 11:10 PM