CVE-2026-106677

Insecure Direct Object Reference in Homestay3 Chat Service

Published Oct 26, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
Homestay3 homestay-backend 0.0.1-SNAPSHOT contains an IDOR in ChatServiceImpl. An authenticated user can view conversations, read messages, send messages, and mark messages as read for arbitrary conversation ids because the service does not verify that the caller is a conversation participant.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Homestay3
Homestay3 homestay-backend
Vendors & Products Homestay3
Homestay3 homestay-backend
Type Values Removed Values Added
Title Insecure Direct Object Reference in Homestay3 Chat Service
Type Values Removed Values Added
Title Insecure Direct Object Reference in Homestay3 Backend Exposes All Conversations
Weaknesses CWE-285
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Insecure Direct Object Reference in Homestay3 Backend Exposes All Conversations
Weaknesses CWE-285
CWE-639
Type Values Removed Values Added
Description Homestay3 homestay-backend 0.0.1-SNAPSHOT contains an IDOR in ChatServiceImpl. An authenticated user can view conversations, read messages, send messages, and mark messages as read for arbitrary conversation ids because the service does not verify that the caller is a conversation participant.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 2, 2026, 4:50 PM
Reserved
Oct 7, 2026, 12:00 AM
Status
Deferred
Published
Oct 26, 2026, 5:17 PM
Modified
Nov 2, 2026, 5:17 PM