CVE-2026-120199 LearnHouse before 1.1.1 Missing Authorization via Assignment Submissions API
Medium 5.3
Published
Updated
Check this codebase for CVE-2026-120199 and fix it if it is affected.
What it is: CVE-2026-120199 is a medium-severity vulnerability in learnhouse, published on 31 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-120199 in the wild and no public exploit code.
Affected product: learnhouse. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-120199/ (Markdown: https://insights.sbomify.com/CVE-2026-120199/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-120199?
CVE-2026-120199 is a medium-severity vulnerability in learnhouse, published on 31 Oct 2026.
Official description
LearnHouse before 1.1.1 contains a missing authorization vulnerability in the assignment API that allows authenticated users to read other users' grades and submissions. Attackers can supply another user_id to the submissions grade endpoint or query submission read functions to view other students' work, grades and instructor feedback.
Weakness: CWE-639
Which versions are affected by CVE-2026-120199?
How do I fix CVE-2026-120199?
No fix has been published for CVE-2026-120199 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-120199 being exploited?
There is no known exploitation of CVE-2026-120199 in the wild and no public exploit code.
Sources
Also known as GHSA-3gfx-j948-6jm4.