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CVE-2026-109564

3.1 · LOW

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.

Published Oct 12, 2026CWE-862EPSS 0.19%

Overview

CVE-2026-109564 is a low-severity vulnerability. It was published on October 12, 2026 and has a CVSS 3.1 base score of 3.1 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

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 Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/learnhouse/learnhouseGitHubgithub.com/learnhouse/learnhouse/commit/9a1319185a596ea9b40651dbfd96f05195c0be37GitHubgithub.com/learnhouse/learnhouse/pull/1120Refwww.vulncheck.com/advisories/learnhouse-before-1.4.0-missing-authorization-via-playground-duplicate-endpoint

How CyberStrike helps

Frequently asked questions

What is CVE-2026-109564?

CVE-2026-109564 is a low-severity vulnerability. It was published on October 12, 2026 and has a CVSS 3.1 base score of 3.1 (LOW).

How severe is CVE-2026-109564?

This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-109564?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-109564?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-109564 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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