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CVE-2026-63765

Chatwoot

Description

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, then obtain signed PUT URLs to write arbitrary data to the application-s storage backend.

CVSS 8.2EPSS 0.381%Risque 0.85
Voir la source
Publication
2026-07-23 19:17:03
Versions concernées
<4.16.0
Type
Application web
Dernière modification
2026-07-27 17:16:39
Vecteur
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L