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jlowin vulnerabilities

6 published CVES affecting jlowin, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
6
Critical
1
High
3
Medium
2
Low
0
Unscored
0
CISA KEV
0
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Latest jlowin CVEs

Newest publication first

  1. HighCVSS 7.8 EPSS 0.75%

    FastMCP is the standard framework for building MCP applications. Prior to version 3.2.0, server names containing shell metacharacters (e.g., &) can cause command injection on Windows when passed to fastmcp install claude-code or fastmcp install gemini-cli. These install paths use...

  2. CriticalCVSS 10.0 EPSS 0.92%

    FastMCP is a Pythonic way to build MCP servers and clients. Prior to version 3.2.0, the OpenAPIProvider in FastMCP exposes internal APIs to MCP clients by parsing OpenAPI specifications. The RequestDirector class is responsible for constructing HTTP requests to the backend servic...

  3. HighCVSS 7.4 EPSS 0.42%

    FastMCP is the standard framework for building MCP applications. Prior to version 2.14.2, the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for the MCP server, the to...

  4. MediumCVSS 5.3 EPSS 0.28%

    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, allowin...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.