EUVD-2026-48360

Chatwoot before 4.16.0 contains an authentication bypass vulnerability in the direct uploads controller that allows unauthenticated attackers to create arbitrary ActiveStorage blobs in any tenant account. Attackers can exploit missing authentication checks to resolve any account and conversation,...

CVE-2026-63765: Missing Authentication for Critical Function

Chatwoot before 4.16.0 contains an authentication bypass vulnerability in the direct uploads controller that allows unauthenticated attackers to create arbitrary ActiveStorage blobs in any tenant account. Attackers can exploit missing authentication checks to resolve any account and conversation,...

PT-2026-64147

Name of the Vulnerable Software and Affected Versions Chatwoot versions prior to 4.16.0 Description An authentication bypass exists in the direct uploads controller. This flaw allows unauthenticated attackers to resolve any account and conversation to create arbitrary ActiveStorage blobs within a...