CVE-2026-115725
Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_id
CVSS Score
4.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | chatwoot |
| Product | chatwoot |
| Published | Oct 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
chatwoot / chatwoot
0 < 4.17.0
References
github.com: https://github.com/chatwoot/chatwoot/pull/15521 github.com: https://github.com/chatwoot/chatwoot/commit/2d173978fcd64e6927b407c171095a3a7ceb03dd github.com: https://github.com/chatwoot/chatwoot/releases/tag/v4.17.0 github.com: https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/controllers/api/v1/accounts/conversations_controller.rb#L206-L213 github.com: https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/policies/inbox_policy.rb#L22-L27 vulncheck.com: https://www.vulncheck.com/advisories/chatwoot-before-4.17.0-cross-account-authorization-bypass-via-source-id
Credits
GrayOM