{"id":"CVE-2025-53110","aliases":["EUVD-2025-19727","GHSA-hc55-p739-j48w"],"status":"published","title":"Model Context Protocol Servers Vulnerable to Path Validation Bypass via Colliding Path Prefix","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.","severity":{"version":"4.0","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0058,"percentile":0.48214,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2025-07-01T20:14:00Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"npm","package":"@modelcontextprotocol/server-filesystem","fixed_in":["2025.7.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@modelcontextprotocol/server-filesystem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.6.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"@modelcontextprotocol/server-filesystem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2025.1.14"},{"fixed":"2025.7.1"}]}]},{"source":"osv","ecosystem":"npm","package":"@modelcontextprotocol/server-filesystem","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.6.2"}]}]},{"source":"osv","ecosystem":"npm","package":"@modelcontextprotocol/server-filesystem","ranges":[{"type":"SEMVER","events":[{"introduced":"2025.1.14"},{"fixed":"2025.7.1"}]}]}],"products":[{"vendor":"modelcontextprotocol","product":"servers"}],"references":[{"url":"https://github.com/modelcontextprotocol/servers/security/advisories/GHSA-hc55-p739-j48w","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/modelcontextprotocol/servers/commit/cc99bdabdcad93a58877c5f3ab20e21d4394423d","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53110","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hc55-p739-j48w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53110.json","tags":["advisory"]},{"url":"https://github.com/modelcontextprotocol/servers","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-53110","title":"Model Context Protocol Servers Vulnerable to Path Validation Bypass via Colliding Path Prefix","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.","status":"published","published":"2025-07-02T14:30:39.947Z","modified":"2025-07-02T15:13:59.6Z","cvss":[{"version":"4.0","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","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:32:48.853452Z"}],"euvd":[{"id":"EUVD-2025-19727","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.","status":"published","published":"2025-07-02T14:30:39Z","modified":"2025-07-02T15:13:59Z","cvss":[{"version":"4.0","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","level":"high"}],"updated_at":"2026-11-02T20:32:14.284181Z"}],"ghsa":[{"id":"GHSA-hc55-p739-j48w","title":"@modelcontextprotocol/server-filesystem vulnerability allows for path validation bypass via colliding path prefix","description":"Versions of Filesystem prior to 0.6.3 \u0026 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.\n\nThank you to Elad Beber (Cymulate) for reporting these issues.","status":"published","published":"2025-07-01T20:14:00Z","modified":"2025-07-02T18:57:24Z","cvss":[{"version":"4.0","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","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:38:48.783737Z"}],"nvd":[{"id":"CVE-2025-53110","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.","status":"published","published":"2025-07-02T15:15:27.843Z","modified":"2026-06-17T09:37:38.64Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:11:15.754475Z"}],"osv":[{"id":"CVE-2025-53110","title":"Model Context Protocol Servers Vulnerable to Path Validation Bypass via Colliding Path Prefix","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.","status":"published","published":"2025-07-02T14:30:39.947Z","modified":"2026-10-28T02:30:43.369852972Z","cvss":[{"version":"4.0","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","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:50.45326Z"},{"id":"GHSA-hc55-p739-j48w","title":"@modelcontextprotocol/server-filesystem vulnerability allows for path validation bypass via colliding path prefix","description":"Versions of Filesystem prior to 0.6.3 \u0026 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.\n\nThank you to Elad Beber (Cymulate) for reporting these issues.","status":"published","published":"2025-07-01T20:14:00Z","modified":"2025-07-02T18:57:22Z","cvss":[{"version":"4.0","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","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:48.920784Z"}]}}