CVE-2026-115725
Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_id
- State
- Published
- Severity
- 2.3 Low
- Published
- Oct 23, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 23, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.3 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.2 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
chatwootchatwoot |
|
References
- https://github.com/chatwoot/chatwoot/pull/15521issue-trackingpatch
- https://github.com/chatwoot/chatwoot/commit/2d173978fcd64e6927b407c171095a3a7ceb03ddpatch
- chatwoot v4.17.0 Release Notesrelease-notes
- https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/controllers/api/v1/accounts/conversations_controller.rb#L206-L213technical-description
- https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/policies/inbox_policy.rb#L22-L27technical-description
- VulnCheck Advisory: Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_idthird-party-advisory
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