CVE-2026-48811 – FreeScout: Thread Deletion Bypasses Mailbox Access Revocation

CVE ID :CVE-2026-48811

Published : May 29, 2026, 8:16 p.m. | 15 minutes ago

Description :FreeScout is a free help desk and shared inbox built with PHP’s Laravel framework. Prior to 1.8.221, FreeScout allows a non-admin user to permanently delete an internal note (private thread) from any conversation, even after that user’s access to the mailbox containing the conversation has been revoked. The ThreadPolicy::delete authorization policy does not verify mailbox membership, so a former team member retains destructive write access to notes they created. This vulnerability is fixed in 1.8.221.

Severity: 4.3 | MEDIUM

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