Business logic vulnerability
Priority LOW 20CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00254 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Three Learning | Koollab LMS | 5.3.2 | — | No fix listed | CNA |
- Koollab LMS VendorThree Learning Affected 5.3.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-63242
- 2026-10-03 Alias added: GHSA-qqq4-m483-fm7p
References
More Three Learning vulnerabilities
- TI-2026-45107 Pre-authentication error-based SQL injection vulnerability CVSS 3.1CRITICAL 9.1
- TI-2026-45106 Pre-authentication blind SQL injection vulnerability CVSS 3.1CRITICAL 9.1
- TI-2026-45111 SQL injection and unsafe deserialisation vulnerability CVSS 3.1CRITICAL 9.9
- TI-2026-45110 SQL injection and unsafe deserialisation vulnerability CVSS 3.1CRITICAL 9.9
- TI-2026-45109 SQL injection and unsafe deserialisation vulnerability CVSS 3.1CRITICAL 9.9
- TI-2026-45108 Post-authentication SQL injection vulnerability CVSS 3.1HIGH 8.1
Sources
- CVE-2026-63242 · CVE Program
- CVE-2026-63242 · NVD
- FIRST EPSS
- GHSA-qqq4-m483-fm7p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences