CVE-2026-7386 MEDIUM

CVE-2026-7386: fatbobman mail-mcp-bridge mail_mcp_server.py path traversal

Vendor Fatbobman
Product mail-mcp-bridge
Weakness CWE-22 · Path traversal
Published April 29, 2026
Last update April 29, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in fatbobman mail-mcp-bridge up to 1.3.3. Affected is an unknown function of the file src/mail_mcp_server.py. Executing a manipulation of the argument message_ids can lead to path traversal. The attack can be executed remotely. The exploit has been published and may be used. Upgrading to version 1.3.4 is able to address this issue. This patch is called 638b162b26532e32fa8d8047f638537dbdfe197a. Upgrading the affected component is recommended.

Key dates

02Disclosure timeline

April 29, 2026 CVE published
April 29, 2026 Record updated