CVE-2026-120199

MEDIUM 4.3

LearnHouse before 1.1.1 Missing Authorization via Assignment Submissions API

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	learnhouse
Product	learnhouse
Published	Oct 31, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

learnhouse / learnhouse

0 < 1.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/learnhouse/learnhouse/issues/1184 github.com: https://github.com/learnhouse/learnhouse/commit/844a8a7787f0c42d466be604aaf47d296748b1b3 github.com: https://github.com/learnhouse/learnhouse/pull/1187 github.com: https://github.com/learnhouse/learnhouse/blob/1.1.0/apps/api/src/services/courses/activities/assignments.py#L1673 github.com: https://github.com/learnhouse/learnhouse vulncheck.com: https://www.vulncheck.com/advisories/learnhouse-before-1.1.1-missing-authorization-via-assignment-submissions-api

Credits

HieuPenguinnn