CVE-2026-109564

CVSS 3.1 (low) · published 2026-10-12

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 Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.

Weakness: CWE-862

Source: NVD CVE-2026-109564

References

• https://github.com/learnhouse/learnhouse
• https://github.com/learnhouse/learnhouse/commit/9a1319185a596ea9b40651dbfd96f05195c0be37
• https://github.com/learnhouse/learnhouse/pull/1120
• https://www.vulncheck.com/advisories/learnhouse-before-1.4.0-missing-authorization-via-playground-duplicate-endpoint

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