CVE-2026-121557

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.

Affected Platforms

Weakness Type

CWE-306

References

• https://github.com/wppconnect-team/wppconnect-server
• https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/controlle…
• https://github.com/wppconnect-team/wppconnect-server/blob/v2.10.74/src/routes/in…
• https://github.com/wppconnect-team/wppconnect-server/issues/2701
• https://github.com/wppconnect-team/wppconnect-server/pull/2702
• https://www.vulncheck.com/advisories/wppconnect-server-through-2.10.74-missing-a…