Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck

CVE-2026-109564LearnHouse before 1.4.0 Missing Authorization via Playground Duplicate Endpoint

Low 3.1

In plain English

A low-severity missing authorization in LearnHouse from learnhouse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low

Exploit odds (30 days)0.2%top 91.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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 Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.

Affected products (as reported)

Vendor	Product	Versions
learnhouse	LearnHouse	0 – before 1.4.0

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

References

GitHub Pull Request #1120 issue-tracking, patch
Patch Commit patch
https://github.com/learnhouse/learnhouse product
VulnCheck Advisory: LearnHouse before 1.4.0 Missing Authorization via Playground Duplicate Endpoint third-party-advisory