Vulnerabilities (CVE)

Filtered by vendor Jlowin Subscribe
Total 2 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2025-62800 1 Jlowin 1 Fastmcp 2025-11-07 N/A 6.1 MEDIUM
FastMCP is the standard framework for building MCP applications. Versions prior to 2.13.0 have a reflected cross-site scripting vulnerability in the OAuth client callback page (oauth_callback.py) where unescaped user-controlled values are inserted into the generated HTML, allowing arbitrary JavaScript execution in the callback server origin. The issue is fixed in version 2.13.0.
CVE-2025-62801 1 Jlowin 1 Fastmcp 2025-11-04 N/A 7.8 HIGH
FastMCP is the standard framework for building MCP applications. Versions prior to 2.13.0, a command-injection vulnerability lets any attacker who can influence the server_name field of an MCP execute arbitrary OS commands on Windows hosts that run fastmcp install cursor. This vulnerability is fixed in 2.13.0.