{"id":"CVE-2026-115725","aliases":["EUVD-2026-108713","GHSA-8r78-9655-cv92"],"status":"published","title":"Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_id","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.","severity":{"version":"4.0","score":2.3,"vector":"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","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0024,"percentile":0.15254,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-10-23T11:36:48Z","modified":"2026-10-30T02:31:06Z","products":[{"vendor":"chatwoot","product":"chatwoot"}],"references":[{"url":"https://github.com/chatwoot/chatwoot/pull/15521","tags":["issue-tracking","patch","fix"]},{"url":"https://github.com/chatwoot/chatwoot/commit/2d173978fcd64e6927b407c171095a3a7ceb03dd","tags":["patch","fix"]},{"url":"https://github.com/chatwoot/chatwoot/releases/tag/v4.17.0","tags":["release-notes","advisory"]},{"url":"https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/controllers/api/v1/accounts/conversations_controller.rb#L206-L213","tags":["technical-description","article"]},{"url":"https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/policies/inbox_policy.rb#L22-L27","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/chatwoot-before-4.17.0-cross-account-authorization-bypass-via-source-id","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115725","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8r78-9655-cv92"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115725.json","tags":["advisory"]},{"url":"https://github.com/chatwoot/chatwoot","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-115725","title":"Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_id","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.","status":"published","published":"2026-10-23T11:36:48.394Z","modified":"2026-10-29T02:48:49.269Z","cvss":[{"version":"4.0","score":2.3,"vector":"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","level":"low","assessor":"cna"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:01.618694Z"}],"euvd":[{"id":"EUVD-2026-108713","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.","status":"published","published":"2026-10-23T11:36:48Z","modified":"2026-10-29T02:48:49Z","cvss":[{"version":"4.0","score":2.3,"vector":"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","level":"low"}],"updated_at":"2026-11-02T16:59:18.059516Z"}],"ghsa":[{"id":"GHSA-8r78-9655-cv92","title":"Chatwoot before 4.17.0 contains an authorization bypass vulnerability that allows authenticated...","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.","status":"published","published":"2026-10-23T12:31:33Z","modified":"2026-10-23T12:31:34Z","cvss":[{"version":"4.0","score":2.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:14:18.846384Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-10-23T12:18:13.273Z","modified":"2026-10-29T04:18:28.807Z","cvss":[{"version":"4.0","score":2.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:13:02.724605Z"}],"osv":[{"id":"CVE-2026-115725","title":"Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_id","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.","status":"published","published":"2026-10-23T11:36:48.394Z","modified":"2026-10-30T02:31:06.816807686Z","cvss":[{"version":"4.0","score":2.3,"vector":"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","level":"low"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:44:56.675758Z"}]}}