Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). Versions of Filesystem prior to 0.6.4 or 2025.7.01 could allow access to unintended files in cases where the prefix matches an allowed directory. Users are advised to upgrade to 0.6.4 or 2025.7.01 resolve.
https://thehackernews.com/2025/07/critical-mcp-remote-vulnerability.html
https://github.com/modelcontextprotocol/servers/security/advisories/GHSA-hc55-p739-j48w
https://github.com/modelcontextprotocol/servers/commit/cc99bdabdcad93a58877c5f3ab20e21d4394423d
Published: 2025-07-02
Updated: 2025-07-03
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
Base Score: 7.3
Vector: 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
Severity: High
EPSS: 0.00063