ClassroomIO through 1.0.0 contains an authorization bypass vulnerability that allows authenticated users of any organization to clone other tenants' courses via the POST /course/:courseId/clone endpoint. Attackers who know a target course id can copy its sections, lessons, exercises, and quiz answer keys into their own organization, exposing private course content.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sun, 08 Nov 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | ClassroomIO through 1.0.0 contains an authorization bypass vulnerability that allows authenticated users of any organization to clone other tenants' courses via the POST /course/:courseId/clone endpoint. Attackers who know a target course id can copy its sections, lessons, exercises, and quiz answer keys into their own organization, exposing private course content. | |
| Title | ClassroomIO through 1.0.0 Cross-Organization Course Disclosure via Clone Endpoint | |
| First Time appeared |
Classroomio
Classroomio classroomio |
|
| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:classroomio:classroomio:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Classroomio
Classroomio classroomio |
|
| References |
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|
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-08T13:52:34.322Z
Reserved: 2026-11-08T13:43:23.426Z
Link: CVE-2026-124551
No data.
Status : Deferred
Published: 2026-11-08T14:18:19.417
Modified: 2026-11-08T14:18:19.547
Link: CVE-2026-124551
No data.
OpenCVE Enrichment
No data.
Weaknesses