Concrete CMS <= 9.5.0 - Unauthenticated Conversation Message Disclosure (IDOR)

Concrete CMS = 9.5.0 contains an IDOR caused by insufficient access control in /ccm/frontend/conversations/messagedetail endpoint, letting unauthenticated attackers enumerate conversation messages and attachments. id: CVE-2026-8237 info: name: Concrete CMS = 9.5.0 - Unauthenticated Conversation...

CVE-2026-81925

Concrete CMS versions before 9.5.3 contain a reflected cross-site scripting (XSS) vulnerability in the conversation view endpoint . A user-supplied custom date format was improperly neutralized when rendering conversation messages, allowing an attacker to execute arbitrary JavaScript in a victim'...

CVE-2026-68533

Concrete CMS versions below 9.5.3 have a missing authorization flaw in the conversation attachment upload endpoint. The endpoint imported files into the file manager before checking the "Add Message Attachments" permission, meaning a user lacking that permission—or an unauthenticated visitor on a...

CVE-2026-40570

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the loadcustomerinfo action in POST /conversation/ajax returns complete customer profile data to any authenticated user without verifying mailbox access. An attacker only needs a valid email address to retriev...

CVE-2026-4400

Insecure Direct Object Reference IDOR vulnerability in 1millionbot Millie chat that allows private conversations of other users being viewed by simply changing the conversation ID. The vulnerability is present in the endpoint 'api.1millionbot.com/api/public/conversations/' and, if exploited, coul...

PT-2026-29220

Insecure Direct Object Reference IDOR vulnerability in 1millionbot Millie chat that allows private conversations of other users being viewed by simply changing the conversation ID. The vulnerability is present in the endpoint 'api.1millionbot.com/api/public/conversations/' and, if exploited, coul...

CVE-2025-59422

Dify is an open-source LLM app development platform. In version 1.8.1, a broken access control vulnerability on the /console/api/apps/chat-messages?conversationid=&limit=10 endpoint allows users in the same workspace to read chat messages of other users. A regular user is able to read the query...