CVE-2026-73845CWE-20CWE-625CWE-918ssrf

CVE-2026-73845

Medium · published August 14, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
31.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00384 · 31.3th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-625 · Permissive Regular Expression; CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-08-14T21:20Z
References (3)
https://github.com/ondata/ckan-mcp-server/commit/8e1522f9bbfa1f3b21550f17887f60f133e24151 · [email protected]https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.112 · [email protected]https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-83x6-42hr-jc76 · [email protected]
EPSS history
Timeline
  • 14 AUG 16:45Z
    CKAN MCP Server: MQA server allowlist bypass via unanchored regex (`isValidMqaServer`)
    cvelistv5