CVE-2026-63765 (GCVE-0-2026-63765)
Vulnerability from cvelistv5
Published
2026-07-23 17:52
Modified
2026-09-17 17:54
Severity ?
8.8 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
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.
References
Impacted products
Vendor Product Version
chatwoot chatwoot Version: 0   ≤
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