Is CVE-2026-109564 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-109564?

CVE-2026-109564 has a CVSS v3 severity of LOW (3.1).

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CVE-2026-109564

Description

LearnHouse before 1.4.0 contains a missing authorization vulnerability in POST /api/v1/playgrounds/{uuid}/duplicate that skips the read-access and draft checks enforced by get_playground. Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.