Description
A SQL injection and unsafe deserialisation
vulnerability in Koollab LMS allowed an authenticated attacker to inject through the assessment
overall answer endpoint, control data passed to unserialize(), write a webshell
to a publicly accessible location, and execute arbitrary code on the server.
Published: 2026-07-29
Score: 9.9 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 29 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-89
Metrics ssvc

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


Wed, 29 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Three Learning
Three Learning koollab Lms
Vendors & Products Three Learning
Three Learning koollab Lms

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

Type Values Removed Values Added
Description A SQL injection and unsafe deserialisation vulnerability in Koollab LMS allowed an authenticated attacker to inject through the assessment overall answer endpoint, control data passed to unserialize(), write a webshell to a publicly accessible location, and execute arbitrary code on the server.
Title SQL injection and unsafe deserialisation vulnerability
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


Subscriptions

Three Learning Koollab Lms
cve-icon MITRE

Status: PUBLISHED

Assigner: CSA

Published:

Updated: 2026-07-29T15:22:58.114Z

Reserved: 2026-07-16T02:33:02.674Z

Link: CVE-2026-63233

cve-icon Vulnrichment

Updated: 2026-07-29T15:13:09.493Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-29T15:10:09Z

Weaknesses
  • CWE-89

    Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')