CVE-2026-121557: high-severity vulnerability in wppconnect-server
WPPConnect Server through 2.10.74 Missing Authentication via /api/:session/chatwoot
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.2epss 0.4%
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.
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
Affected products
wppconnect · wppconnect-serverRelated CVEs — wppconnect-server
In the same product, most dangerous first.
References
https://github.com/wppconnect-team/wppconnect-serverhttps://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/controller/deviceController.ts#L2230-L2324https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/routes/index.ts#L963https://github.com/wppconnect-team/wppconnect-server/issues/2701https://github.com/wppconnect-team/wppconnect-server/pull/2702https://www.vulncheck.com/advisories/wppconnect-server-through-2.10.74-missing-authentication-via-api-session-chatwoot