Skip to content
MediumVulnerability

CVE-2026-25904: Pydantic-AI MCP Run Python tool SSRF via Deno sandbox localhost access

Identifier
CVE-2026-25904
Published
Record updated
View JSON
Affected
  • mcp-run-python <= 0.0.22
Fixed in
No fixed version was stated when the source was last read.
Known exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS
0.2%

Summary

CVE-2026-25904 affects the Pydantic-AI MCP Run Python tool, which configures its Deno sandbox too permissively. Python code run through the tool can reach the host's localhost interface and perform server-side request forgery (CWE-918). The project mcp-run-python is archived and unlikely to receive a fix. NVD published the entry on 02/09/2026, citing JFrog as the source.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.