{"id":"CVE-2026-120199","kind":"vulnerability","aliases":["CVE-2026-120199"],"related":[],"title":"LearnHouse: logged-in users can read other students' grades and submissions","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.","summary":"LearnHouse, an open-source learning platform, has a missing authorization check in its assignment API before version 1.1.1. An authenticated user can supply another user's ID to read that person's grades, submissions and instructor feedback.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["education","learnhouse","other","self-hosted"],"not_affected_if":["no-student-accounts","version-1.1.1-or-later"],"how_to_check":"- Check the LearnHouse version in use; `1.1.1` or later is not affected.\n- Review whether the assignment API is reachable by ordinary student accounts.","fix":"- LearnHouse `1.1.1` or later (per the NVD entry; the sources do not name a separate patch).","status":"open","published_at":"2026-10-31T18:17:07+00:00","first_seen_at":"2026-10-31T18:37:12+00:00","triaged_at":"2026-10-31T18:40:39+00:00","updated_at":"2026-10-31T18:40:39+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-31T18:40:39Z","model":"claude-haiku-5-5","output":{"fix":"- LearnHouse `1.1.1` or later (per the NVD entry; the sources do not name a separate patch).","reach":"internet","title":"LearnHouse: logged-in users can read other students' grades and submissions","impact":"medium","summary":"LearnHouse, an open-source learning platform, has a missing authorization check in its assignment API before version 1.1.1. An authenticated user can supply another user's ID to read that person's grades, submissions and instructor feedback.","audience":"businesses","category":"other","nicknames":[],"who_cares":["learnhouse","self-hosted","education"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"Authenticated user reads other students' grades and submissions.","analyst_note":"","how_to_check":"- Check the LearnHouse version in use; `1.1.1` or later is not affected.\n- Review whether the assignment API is reachable by ordinary student accounts.","plain_action":"","needs_analyst":false,"not_affected_if":["version-1.1.1-or-later","no-student-accounts"],"who_is_affected":"Any LearnHouse deployment running a version before `1.1.1` where student accounts can reach the assignment API. Attackers need a valid account on that instance, so deployments with open self-registration carry more exposure than invite-only ones.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000659,"input_tokens":4124,"output_tokens":494,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-120199':15A,18A '-2026':14A,17A '1.1.1':43B,65C 'allow':76C 'anoth':49B,89C 'api':40B,74C 'assign':39B,73C 'attack':86C 'authent':45B,77C 'author':35B,69C 'check':36B 'contain':66C 'cve':13A,16A 'educ':19B 'endpoint':96C 'feedback':62B,110C 'function':101C 'grade':10A,58B,83C,95C,107C 'host':24B 'id':52B,91C 'instructor':61B,109C 'learn':30B 'learnhous':1A,20B,25B,63C 'log':3A 'logged-in':2A 'miss':34B,68C 'open':28B 'open-sourc':27B 'person':56B 'platform':31B 'queri':98C 'read':7A,54B,80C,100C 'self':23B 'self-host':22B 'sourc':29B 'student':9A,105C 'submiss':12A,59B,85C,94C,99C 'suppli':48B,88C 'user':5A,46B,50B,78C,82C,90C 'version':42B 'view':103C 'vulner':70C 'work':106C","nicknames":[],"mitigations":[],"who_affected":"Any LearnHouse deployment running a version before `1.1.1` where student accounts can reach the assignment API. Attackers need a valid account on that instance, so deployments with open self-registration carry more exposure than invite-only ones.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"first_public_at":"2026-10-31T18:17:07+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-120199","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120199","severity":null,"published_at":"2026-10-31T18:17:07+00:00","modified_at":"2026-10-31T18:17:07+00:00","first_seen_at":"2026-10-31T18:37:12+00:00","fetched_at":"2026-10-31T18:37:12+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}