CVE-2026-63765
Gravedad CVSS v4.0:
ALTA
Tipo:
CWE-306
Ausencia de autenticación para una función crítica
Fecha de publicación:
23/07/2026
Última modificación:
27/07/2026
Descripción
*** Pendiente de traducción *** 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.
Impacto
Puntuación base 4.0
8.80
Gravedad 4.0
ALTA
Puntuación base 3.x
8.20
Gravedad 3.x
ALTA
Referencias a soluciones, herramientas e información
- https://github.com/chatwoot/chatwoot/commit/8dd0d08322edafaec24624b72ed2f6045921cb7b
- https://github.com/chatwoot/chatwoot/issues/15072
- https://github.com/chatwoot/chatwoot/pull/15039
- https://github.com/chatwoot/chatwoot/releases/tag/v4.16.0
- https://www.vulncheck.com/advisories/chatwoot-unauthenticated-activestorage-direct-upload-arbitrary-blob-creation



