Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
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| modelcontextprotocol | servers | affected |
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| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-19730 | @modelcontextprotocol/server-filesystem allows for path validation bypass via prefix matching and symlink handling |
Github GHSA |
GHSA-q66q-fx2p-7w4m | @modelcontextprotocol/server-filesystem allows for path validation bypass via prefix matching and symlink handling |
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.765% probability within 30 days)
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epss
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epss
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epss
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epss
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ssvc
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| 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 via symlinks within allowed directories. Users are advised to upgrade to 0.6.4 or 2025.7.01 resolve. | |
| Title | Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling | |
| Weaknesses | CWE-59 | |
| References |
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| Metrics |
cvssV4_0
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