PT-2026-140011
CVE-2026-124551
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Published
2026-11-08
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Updated
2026-11-08
Description by
CVSS 3.1
5.3
MediumMetricsAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
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