Security Advisory

CVE-2026-35584

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-07 16:07:33

Last updated 2026-04-09 14:29:09

Assigner GitHub_M

State PUBLISHED

Description

FreeScout is a free help desk and shared inbox built with PHPs Laravel framework. Prior to 1.8.212, the endpoint GET /thread/read/{conversation_id}/{thread_id} does not require authentication and does not validate whether the given thread_id belongs to the given conversation_id. This allows any unauthenticated attacker to mark any thread as read by passing arbitrary IDs, enumerate valid thread IDs via HTTP response codes (200 vs 404), and manipulate opened_at timestamps across conversations (IDOR). This vulnerability is fixed in 1.8.212.

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