{"cve":"CVE-2026-25904","nvd":{"published":"2026-02-09T09:16:33.850","modified":"2026-06-17T10:25:24.800","status":"Deferred","description":"The Pydantic-AI MCP Run Python tool configures the Deno sandbox with an overly permissive configuration that allows the underlying Python code to access the localhost interface of the host to perform SSRF attacks. Note - the \"mcp-run-python\" project is archived and unlikely to receive a fix.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L","score":5.8},"cwes":["CWE-918"],"references":["https://research.jfrog.com/vulnerabilities/mcp-run-python-deno-ssrf-jfsa-2026-001653029/"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2026-25904","score":0.00192,"percentile":0.0888,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6fgp-m6q4-j3q5","url":"https://osv.dev/vulnerability/GHSA-6fgp-m6q4-j3q5","summary":"MCP Run Python Deno Sandbox Misconfiguration Allows SSRF Attacks via Localhost Access","modified":"2026-07-13T16:43:20.297657126Z","packages":[{"ecosystem":"PyPI","name":"mcp-run-python","purl":"pkg:pypi/mcp-run-python","ranges":["<=0.0.22"],"fixed":[]}]},{"id":"PYSEC-2026-2627","url":"https://osv.dev/vulnerability/PYSEC-2026-2627","summary":"MCP Run Python Deno Sandbox Misconfiguration Allows SSRF Attacks via Localhost Access","modified":"2026-07-13T16:32:13.343364467Z","packages":[{"ecosystem":"PyPI","name":"mcp-run-python","purl":"pkg:pypi/mcp-run-python","ranges":["<=0.0.22"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}