CVE-2026-63236

Improper access control vulnerability

LOW

3.7

CVSS Score

Published: July 29, 2026 at 06:24 AM UTC

Updated: October 23, 2026 at 11:10 PM UTC

1 product affected across 1 vendorKoollab LMS

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Severity

LOW3.7

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to read another user's name, internal identifier, scores, lesson status, lesson position, and cached lesson state via the SCORM API endpoint.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Koollab LMS · Three Learning

90%

5.3.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWCSA

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-284

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