Server-side Request Forgery (SSRF) Affecting mcp-run-python package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-MCPRUNPYTHON-15250607
- published9 Feb 2026
- disclosed9 Feb 2026
- creditNatan Nehorai of the JFrog Security Research Team
Introduced: 9 Feb 2026
CVE-2026-25904 (opens in a new tab)How to fix?
There is no fixed version for mcp-run-python.
Overview
mcp-run-python is a Model Context Protocol server to run Python code in a sandbox.
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) due to an overly permissive configuration of the Deno sandbox, which allows access to the localhost interface. An attacker can access internal network resources by executing crafted Python code.