Vulnerability · Published Jul 2, 2025 · Assigned by GitHub_M

CVE-2025-53110Model Context Protocol Servers Vulnerable to Path Validation Bypass via Colliding Path Prefix

High 7.3

In plain English

A high-severity path traversal in servers from modelcontextprotocol. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.3High

Exploit odds (30 days)0.6%top 52.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@modelcontextprotocol/server-filesystem	no fix listed	GHSA-hc55-p739-j48w
npm	@modelcontextprotocol/server-filesystem	2025.7.1	GHSA-hc55-p739-j48w

Affected products (as reported)

Vendor	Product	Versions
modelcontextprotocol	servers	< 0.6.4< 2025.7.01

Weakness: CWE-22 · 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

References

https://github.com/modelcontextprotocol/servers/security/advisories/GHSA-hc55-p739-j48w x_refsource_CONFIRM
https://github.com/modelcontextprotocol/servers/commit/cc99bdabdcad93a58877c5f3ab20e21d4394423d x_refsource_MISC