CVE-2025-53110
@modelcontextprotocol/server-filesystem vulnerability allows for path validation bypass via colliding path prefix
EPSS 0.31%
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.
How to fix CVE-2025-53110
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- npm/@modelcontextprotocol/server-filesystem—no fix listed
Is CVE-2025-53110 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 0.6.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |