{"id":"CVE-2026-115725","state":"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.","publishedAt":"2026-10-23T11:36:48.394Z","updatedAt":"2026-10-29T02:48:49.269Z","severity":{"score":2.3,"label":"Low","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["chatwoot chatwoot"],"affected":[{"vendor":"chatwoot","product":"chatwoot","packageURL":"pkg:github/chatwoot/chatwoot","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.17.0","versionType":"semver"}],"repo":"https://github.com/chatwoot/chatwoot"}],"references":["https://github.com/chatwoot/chatwoot/pull/15521","https://github.com/chatwoot/chatwoot/commit/2d173978fcd64e6927b407c171095a3a7ceb03dd","https://github.com/chatwoot/chatwoot/releases/tag/v4.17.0","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://www.vulncheck.com/advisories/chatwoot-before-4.17.0-cross-account-authorization-bypass-via-source-id"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/115xxx/CVE-2026-115725.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-115725","state":"PUBLISHED","datePublished":"2026-10-23T11:36:48.394Z","dateUpdated":"2026-10-29T02:48:49.269Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-23T11:26:43.547Z"},"containers":{"cna":{"title":"Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_id","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"chatwoot","product":"chatwoot","packageURL":"pkg:github/chatwoot/chatwoot","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.17.0","versionType":"semver"}],"repo":"https://github.com/chatwoot/chatwoot"}],"references":[{"url":"https://github.com/chatwoot/chatwoot/pull/15521","tags":["issue-tracking","patch"]},{"url":"https://github.com/chatwoot/chatwoot/commit/2d173978fcd64e6927b407c171095a3a7ceb03dd","tags":["patch"]},{"url":"https://github.com/chatwoot/chatwoot/releases/tag/v4.17.0","tags":["release-notes"],"name":"chatwoot v4.17.0 Release Notes"},{"url":"https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/controllers/api/v1/accounts/conversations_controller.rb#L206-L213","tags":["technical-description"]},{"url":"https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/policies/inbox_policy.rb#L22-L27","tags":["technical-description"]},{"url":"https://www.vulncheck.com/advisories/chatwoot-before-4.17.0-cross-account-authorization-bypass-via-source-id","name":"VulnCheck Advisory: Chatwoot before 4.17.0 Cross-Account Authorization Bypass via source_id","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2.3,"baseSeverity":"LOW"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.2,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-23T11:36:48.394Z"},"datePublic":"2026-08-19T05:04:15.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*","versionEndExcluding":"4.17.0"}]}]}],"credits":[{"lang":"en","value":"GrayOM","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-29T02:48:40.240317Z","id":"CVE-2026-115725","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-29T02:48:49.269Z"}}]}}}