CVE-2025-53109: high-severity vulnerability in modelcontextprotocol servers
Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 0.8%
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.
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
Affected products
modelcontextprotocol · serversRelated CVEs — modelcontextprotocol servers
In the same product, most dangerous first.
CVE-2025-68143MEDIUMmcp-server-git's unrestricted git_init tool allows repository creation at arbitrary filesystem locationsEPSS 8.1%CVE-2025-68144MEDIUMmcp-server-git argument injection in git_diff and git_checkout functions allows overwriting local filesEPSS 7.2%CVE-2025-68145MEDIUMmcp-server-git has missing path validation when using --repository flagEPSS 7.0%CVE-2025-53110HIGHModel Context Protocol Servers Vulnerable to Path Validation Bypass via Colliding Path PrefixEPSS 0.6%CVE-2026-27735MEDIUMmcp-server-git : Path traversal in git_add allows staging files outside repository boundariesEPSS 0.3%