CVE-2026-115725

Description

Chatwoot before 4.17.0 contains an authorization bypass vulnerability that allows authenticated agent bots to access other accounts by supplying a foreign contact inbox source_id. Attackers can call the conversations create endpoint with another account's source_id to create or retrieve conversations and post messages to that account's contacts.

References

• https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/controllers/api/v1/accounts/conversations_controller.rb#L206-L213
• https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/policies/inbox_policy.rb#L22-L27
• https://github.com/chatwoot/chatwoot/commit/2d173978fcd64e6927b407c171095a3a7ceb03dd
• https://github.com/chatwoot/chatwoot/pull/15521
• https://github.com/chatwoot/chatwoot/releases/tag/v4.17.0