CVE-2026-124551

CVE-2026-124551CVE-2026-124551

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.

Scoring

CVSS 5.3 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Last modified2026-11-08
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.