5.3
Moyenne
CVE-2025-62800 FastMCP is the standard framework for building MCP applications
Description
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.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| fastmcp 2.13 | premières → < 2.13.0 | 2.13.0 |
Autres CVE de fastmcp
Les 5 CVE de fastmcp →
CVE-2026-27124
FastMCP is the standard framework for building MCP applications
8.2
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CVE-2025-64340
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6.7
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CVE-2025-69196
FastMCP is the standard framework for building MCP applications
7.4
Élevée
CVE-2025-62801
FastMCP is the standard framework for building MCP applications
5.4
Moyenne