PatchTheCVECVE-2026-63236: An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to read another us
CVE-2026-63236 is a low-severity flaw (CVSS 3.7) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 3.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 83%) |
| CISA exploited list | No |
| Weakness | CWE-284 |
| Published | 2026-07-29 |
| Last modified | 2026-10-23 |
Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-63236?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-63236 being exploited?
CVE-2026-63236 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-63236 affect?
CVE-2026-63236 affects affected software. Severity is low (CVSS 3.7). 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.
How urgent is CVE-2026-63236?
Priority 22/100. Remotely exploitable, no login, no user action