CVE-2026-63238
Authentication bypass vulnerability
- State
- Published
- Severity
- 6.5 Medium
- Published
- Jul 29, 2026
- Updated
- Jul 29, 2026
- Reserved
- Jul 16, 2026
Description
An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N | CSA |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
Koollab LMSThree Learning |
|
References
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