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CVE-2026-73845

CKAN MCP Server: MQA server allowlist bypass via unanchored regex (`isValidMqaServer`) PUBLISHED

Description (CNA)

CKAN MCP Server is a tool for querying CKAN open data portals. Prior to 0.4.112, the ckan_get_mqa_quality and ckan_get_mqa_quality_details tools in src/tools/quality.ts use isValidMqaServer to validate the server_url parameter with a prefix-only regular expression for dati.gov.it, allowing suffix-host and URL-userinfo values to target an attacker-controlled host and return a spoofed response. This issue is fixed in version 0.4.112.

Affected (CNA)

Vendor / productVersions
ondata / ckan-mcp-serveraffected < 0.4.112

CWE

CWE-20, CWE-625, CWE-918

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.