{"id":"CVE-2026-121557","published":"2026-11-03T16:17:28.163","lastModified":"2026-11-03T16:30:49.290","description":"WPPConnect Server through 2.10.74 contains a missing authentication vulnerability that allows unauthenticated attackers to send WhatsApp messages by calling the Chatwoot webhook route without verifyToken middleware. Attackers who know or guess a connected session name can POST outgoing message bodies to send arbitrary texts or files from that account to any number.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","cwes":["CWE-306"],"vendors":[],"products":[],"references":[{"url":"https://github.com/wppconnect-team/wppconnect-server","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/controller/deviceController.ts#L2230-L2324","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/routes/index.ts#L963","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/issues/2701","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/pull/2702","tags":[]},{"url":"https://www.vulncheck.com/advisories/wppconnect-server-through-2.10.74-missing-authentication-via-api-session-chatwoot","tags":[]}],"exploitRefs":[{"url":"https://github.com/wppconnect-team/wppconnect-server","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/controller/deviceController.ts#L2230-L2324","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/routes/index.ts#L963","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/issues/2701","tags":[]},{"url":"https://github.com/wppconnect-team/wppconnect-server/pull/2702","tags":[]}],"hasPoc":true,"ai":null}