Security Advisory

CVE-2026-40592

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-21 16:57:33

Last updated 2026-04-21 19:10:40

Assigner GitHub_M

State PUBLISHED

Description

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the undo-send route `GET /conversation/undo-reply/{thread_id}` checks only whether the current user can view the parent conversation. It does not verify that the current user created the reply being undone. In a shared mailbox, one agent can therefore recall another agents just-sent reply during the 15-second undo window. Version 1.8.214 fixes the vulnerability.

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