CVE-2026-10264 lharries whatsapp-mcp Send API Endpoint main.go SendMessageRequest path traversal

Medium 5.1 Published Updated

An attacker can exploit path traversal in the Send API endpoint to read or modify arbitrary files on the server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-10264?

CVE-2026-10264 is a medium-severity path traversal vulnerability in lharries whatsapp-mcp, published on 1 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was determined in lharries whatsapp-mcp 0.0.1. Affected by this vulnerability is the function SendMessageRequest of the file whatsapp-bridge/main.go of the component Send API Endpoint. This manipulation of the argument mediaPath causes path traversal. The exploit has been publicly disclosed and may be utilized. Patch name: 6657cdceadd361e8fbe824afe9d00b4504009a5d. It is recommended to apply a patch to fix this issue.

Weakness: CWE-22

Which versions are affected by CVE-2026-10264?

How do I fix CVE-2026-10264?

No fix has been published for CVE-2026-10264 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-10264 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10264 exists.

Sources

Also known as GHSA-frgv-ppw5-432r.

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