---
id: CVE-2026-120199
title: LearnHouse before 1.1.1 Missing Authorization via Assignment Submissions API
summary: >-
  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
  endpo…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-639
vendor: learnhouse
product: learnhouse
affected:
  - learnhouse < 1.1.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T18:50:21.216121Z'
published: '2026-10-31'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T18:50:30.136Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120199'
references:
  - url: 'https://github.com/learnhouse/learnhouse/issues/1184'
    label: 'GitHub Issue #1184'
  - url: >-
      https://github.com/learnhouse/learnhouse/commit/844a8a7787f0c42d466be604aaf47d296748b1b3
  - url: 'https://github.com/learnhouse/learnhouse/pull/1187'
  - url: >-
      https://github.com/learnhouse/learnhouse/blob/1.1.0/apps/api/src/services/courses/activities/assignments.py#L1673
  - url: 'https://github.com/learnhouse/learnhouse'
  - url: >-
      https://www.vulncheck.com/advisories/learnhouse-before-1.1.1-missing-authorization-via-assignment-submissions-api
    label: >-
      VulnCheck Advisory: LearnHouse before 1.1.1 Missing Authorization via
      Assignment Submissions API
tags:
  - cve.org
epss: 0.00218
epssPercentile: 0.12332
ingestedAt: '2026-11-05T17:27:38.378Z'
---

## Overview

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.

## Affected

- `learnhouse < 1.1.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.