Low severity · published Oct 12, 2026
CVE-2026-109564
LearnHouse before 1.4.0 Missing Authorization via Playground Duplicate Endpoint
3.1
CVSS
0.2%
EPSS
No
On KEV
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 Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
LearnHouse · learnhouse
before 1.4.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109564
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109564
issue-tracking
https://github.com/learnhouse/learnhouse/pull/1120
patch
https://github.com/learnhouse/learnhouse/commit/9a1319185a596ea9b40651dbfd96f05195c0be37
product
https://github.com/learnhouse/learnhouse
third-party-advisory
https://www.vulncheck.com/advisories/learnhouse-before-1.4.0-missing-authorization-via-playground-duplicate-endpoint
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