{"id":"CVE-2026-115725","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-115725","generatedAt":"2026-10-28T01:12:04.156Z","title":"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.","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.","published":"2026-10-23T12:18:13.000Z","lastModified":"2026-10-23T19:57:43.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":2.3,"severity":"LOW","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/M"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.0024,"percentile":0.14979,"date":"2026-10-26","history":[{"date":"2026-10-24","score":0.00328,"percentile":0.2467}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-23T12:18:13.000Z","detail":{"score":"2.3","severity":"LOW","publishedAt":"2026-10-23T12:18:13.273Z"},"summary":"New CVE, low severity (CVSS 2.3)."}],"references":[{"url":"https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/controllers/api/v1/accounts/conversations_controller.rb#L206-L213","source":"disclosure@vulncheck.com"},{"url":"https://github.com/chatwoot/chatwoot/blob/v4.16.2/app/policies/inbox_policy.rb#L22-L27","source":"disclosure@vulncheck.com"},{"url":"https://github.com/chatwoot/chatwoot/commit/2d173978fcd64e6927b407c171095a3a7ceb03dd","source":"disclosure@vulncheck.com"},{"url":"https://github.com/chatwoot/chatwoot/pull/15521","source":"disclosure@vulncheck.com"},{"url":"https://github.com/chatwoot/chatwoot/releases/tag/v4.17.0","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/chatwoot-before-4.17.0-cross-account-authorization-bypass-via-source-id","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-115725","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}