{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-121557","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-03T14:46:16.996Z","datePublished":"2026-11-03T15:17:14.257Z","dateUpdated":"2026-11-03T15:17:14.257Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-03T15:17:14.257Z"},"datePublic":"2026-11-02T00:00:00.000Z","title":"WPPConnect Server through 2.10.74 Missing Authentication via /api/:session/chatwoot","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Missing Authentication for Critical Function","cweId":"CWE-306","type":"CWE"}]}],"affected":[{"vendor":"wppconnect","product":"wppconnect-server","defaultStatus":"unaffected","packageURL":"pkg:npm/%40wppconnect/server","versions":[{"version":"0","lessThanOrEqual":"2.10.74","versionType":"semver","status":"affected"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/wppconnect-team/wppconnect-server/issues/2701","tags":["issue-tracking"],"name":"GitHub Issue #2701"},{"url":"https://github.com/wppconnect-team/wppconnect-server","tags":["product"]},{"url":"https://github.com/wppconnect-team/wppconnect-server/pull/2702","tags":["patch","issue-tracking"],"name":"Fix commit"},{"url":"https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/routes/index.ts#L963","tags":["technical-description"]},{"url":"https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/controller/deviceController.ts#L2230-L2324","tags":["technical-description"]},{"name":"VulnCheck Advisory: WPPConnect Server through 2.10.74 Missing Authentication via /api/:session/chatwoot","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/wppconnect-server-through-2.10.74-missing-authentication-via-api-session-chatwoot"}],"credits":[{"lang":"en","value":"hieuPenguinnn","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}