What is CVE-2026-46555?

CVE-2026-46555 is a high-severity vulnerability in Verygoodplugins Whatsapp-mcp, classified under Path Traversal. CVSS score: 7.7/10. Published 2026-07-20.

How severe is CVE-2026-46555?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Verygoodplugins Whatsapp-mcp

CVE-2026-46555

WhatsApp MCP Server is a Model Context Protocol (MCP) server for WhatsApp, enabling Claude to read and send WhatsApp messages. Prior to version 0.2.1, the `whatsapp-bridge` HTTP API listens on `127.0.0.1:8080` without authentication and wi…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Verygoodplugins Whatsapp-mcp — versions < 0.2.1

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46555?: CVE-2026-46555 is a high-severity vulnerability in Verygoodplugins Whatsapp-mcp, classified under Path Traversal. CVSS score: 7.7/10. Published 2026-07-20.
How severe is CVE-2026-46555?: High severity. CVSS v3 base score is 7.7 out of 10.