CVE-2026-63242— Business logic vulnerability
Possible ATT&CK Techniques 1AI
T1133 · External Remote ServicesAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Three Learning | Koollab LMS | 5.3.2 | affected |
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I. Basic Information for CVE-2026-63242
Vulnerability Information
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Vulnerability Title
Business logic vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A business logic vulnerability in Koollab LMS allowed an authenticated learner to set their lesson completion status to completed via the SCORM commit endpoint without viewing the lesson material, compromising training and completion records.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Three Learning Koollab LMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Three Learning Koollab LMS是Three Learning公司的一款学习管理系统。 Three Learning Koollab LMS 5.3.2版本存在安全漏洞，该漏洞源于业务逻辑问题，允许已验证身份的学习者通过SCORM commit端点将课程完成状态设置为已完成，从而破坏培训和完成记录。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Three Learning | Koollab LMS | 5.3.2 | - |
II. Public POCs for CVE-2026-63242
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-63242 (1)
Same Patch Batch · Three Learning · 2026-07-29 · 15 CVEs total
| CVE-2026-63233 | 9.9 CRITICAL | SQL injection and unsafe deserialisation vulnerability |
| CVE-2026-63234 | 9.9 CRITICAL | SQL injection and unsafe deserialisation vulnerability |
| CVE-2026-63232 | 9.9 CRITICAL | SQL injection and unsafe deserialisation vulnerability |
| CVE-2026-63230 | 9.1 CRITICAL | Pre-authentication error-based SQL injection vulnerability |
| CVE-2026-63229 | 9.1 CRITICAL | Pre-authentication blind SQL injection vulnerability |
| CVE-2026-63231 | 8.1 HIGH | Post-authentication SQL injection vulnerability |
| CVE-2026-63238 | 6.5 MEDIUM | Authentication bypass vulnerability |
| CVE-2026-63239 | 5.4 MEDIUM | Hard-coded AWS IAM credentials vulnerability |
| CVE-2026-63237 | 4.8 MEDIUM | TOTP two-factor authentication bypass vulnerability |
| CVE-2026-63240 | 4.3 MEDIUM | Information disclosure vulnerability |
| CVE-2026-63236 | 3.7 LOW | Improper access control vulnerability |
| CVE-2026-63235 | 3.7 LOW | Improper access control vulnerability |
| CVE-2026-63241 | 3.1 LOW | Insecure direct object reference vulnerability |
| CVE-2026-63228 | 2.6 LOW | Unrestricted image upload vulnerability |
IV. Related Vulnerabilities
Same product: Koollab LMS
Same vendor: Three Learning
V. Comments for CVE-2026-63242
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