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CVE-2026-120199: LearnHouse before 1.1.1 contains a missing authorization vulnerability in the assignment API that allows authenticated...

Published: October 31, 2026 | Last Modified: October 31, 2026

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.

Proof-of-Concept Exploits (2)

• learnhouse/learnhouse
• learnhouse/learnhouse

References

• github.com/learnhouse/learnhouse
• github.com/learnhouse/learnhouse/blob/1.1.0/apps/api/src/services/courses/activi
• github.com/learnhouse/learnhouse/commit/844a8a7787f0c42d466be604aaf47d296748b1b3
• github.com/learnhouse/learnhouse/issues/1184
• github.com/learnhouse/learnhouse/pull/1187
• www.vulncheck.com/advisories/learnhouse-before-1.1.1-missing-authorization-via-a
• www.tenable.com/cve/CVE-2026-120199
• www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2026-120199