CVE-2026-121557

MediumCVSS 5.9/10Last modified Nov 7, 2026

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.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published: Nov 3, 2026
Last modified: Nov 7, 2026
NVD status: Deferred

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