PT-2026-64147 · Chatwoot · Chatwoot

George Chen · CVE-2026-63765 · Publicado 2026-07-23 · Atualizado 2026-07-23

NVD

CVSS v3.1

8.2

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

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.

Exploit

Correção

Missing Authentication

Enumeração de Fraquezas

CWE-306

Identificadores relacionados

CVE-2026-63765

Produtos afetados

Chatwoot

Referências · 6

• 🔥 https://github.com/chatwoot/chatwoot/issues/15072 · Exploit
• https://github.com/chatwoot/chatwoot/releases/tag/v4.16.0 · Nota
• https://github.com/chatwoot/chatwoot/pull/15039 · Nota
• https://github.com/chatwoot/chatwoot/commit/8dd0d08322edafaec24624b72ed2f6045921cb7b · Correção
• https://vulncheck.com/advisories/chatwoot-unauthenticated-activestorage-direct-upload-arbitrary-blob-creation · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-63765 · Nota de Segurança