modelcontextprotocol/servers · Security

@modelcontextprotocol/server-filesystem vulnerability allows for path validation bypass via colliding path prefix

GHSA ID
GHSA-hc55-p739-j48w
CVE ID
CVE-2025-53110
Severity
high
Published
Updated
CVSS v4
7.3 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:H/SI:H/SA:H

Description

Versions of Filesystem prior to 0.6.3 & 2025.7.1 could allow access to unintended files in cases where the prefix matches an allowed directory. Users are advised to upgrade to 2025.7.1 to resolve the issue.

Thank you to Elad Beber (Cymulate) for reporting these issues.

CWEs

References