CVE-2026-33060

CVE-2026-33060 · CKAN MCP Server: SSRF via base_url allows access to internal networks

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CKAN MCP Server is a tool for querying CKAN open data portals. Versions prior to 0.4.85 provide tools including ckan_package_search and sparql_query that accept a base_url parameter, making HTTP requests to arbitrary endpoints without restriction. A CKAN portal client has no legitimate reason to contact cloud metadata or internal network services. There is no URL validation on base_url parameter. No private IP blocking (RFC 1918, link-local 169.254.x.x), no cloud metadata blocking. The sparql_query and ckan_datastore_search_sql tools also accept arbitrary base URLs and expose injection surfaces. An attack can lead to internal network scanning, cloud metadata theft (IAM credentials via IMDS at 169.254.169.254), potential SQL/SPARQL injection via unsanitized query parameters. Attack requires prompt injection to control the base_url parameter. This issue has been fixed in version 0.4.85.

CVSS 5.3 · Mittel · EPSS 0,3% · Korrektur verfügbar

Veröffentlicht

2026-03-20T07:21:30.897Z

Aktualisiert

2026-03-24T01:56:33.169Z

Technologie-Stack: node

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