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Back to active CVEs
Medium · CVSS 5.7CVE-2026-61612GHSA-798P-78G2-V556

@aborruso/ckan-mcp-server has SSRF via DNS-name → internal IP — incomplete fix of CVE-2026-53509CVE-2026-61612

Answer in brief

CVE-2026-61612 records a Medium severity (CVSS 5.7) vulnerability in @aborruso/ckan-mcp-server has SSRF via DNS-name → internal IP — incomplete fix of CVE-2026-53509. The current sources do not mark it as known exploited. The current feed maps ondata/ckan-mcp-server (generic), @aborruso/ckan-mcp-server (npm), @aborruso/ckan-mcp-server (npm). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 21, 2026Updated Sep 24, 2026Source checked Nov 5, 2026First seen by HOL Sep 21, 2026Material review Sep 24, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.7
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ondata/ckan-mcp-server (generic), @aborruso/ckan-mcp-server (npm), @aborruso/ckan-mcp-server (npm). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
ondata/ckan-mcp-servergeneric@aborruso/ckan-mcp-serverNot reported
@aborruso/ckan-mcp-servernpm<=0.4.1070.4.108
@aborruso/ckan-mcp-servernpm>=0 <0.4.1080.4.108

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for ondata/ckan-mcp-server, @aborruso/ckan-mcp-server, @aborruso/ckan-mcp-server.
  2. 2Review the reported fix. Update @aborruso/ckan-mcp-server to 0.4.108; @aborruso/ckan-mcp-server to 0.4.108 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 21, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
  • GitHub security advisorygithub.com
Upstream source description

CKAN MCP Server is a tool for querying CKAN open data portals. Prior to version 0.4.108, the SSRF guard `validateServerUrl` (added for CVE-2026-33060, extended for CVE-2026-53509) validates only the hostname string and never resolves DNS. Any caller-supplied `server_url` whose hostname *resolves* to an internal address passes the guard, so the server issues requests to loopback and cloud metadata (`169.254.169.254`). This is a third bypass of the same guard, and it reaches IMDS — strictly more than CVE-2026-53509, which only reached loopback. Version 0.4.108 contains an updated fix.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • KurrentDB: Privileged access to read $all enables arbitrary file read and GET-only SSRFAlso CWE-918
  • Kubeflow Pipelines: Unauthenticated SSRF vulnerability in Kubeflow Pipelines TensorBoard proxyAlso CWE-918
  • Kubeflow Pipelines: Unauthenticated server-side request forgery in the frontend http/https artifact source via decimal-IP bypass of the bucket validatorAlso CWE-918
  • Kubeflow Pipelines: Unauthenticated SSRF through artifact provider endpointsAlso CWE-918
  • Kubeflow Pipelines — API server fetches a caller-supplied pipelineURL without host validationAlso CWE-918
  • Model Context Protocol TypeScript SDK: One HTTP request within the default size limit could exhaust server memory during validationSame npm ecosystem

Record context

Vulnerability class
SSRF
EPSS
Not reported
CWE IDs
CWE-918
Source
CVE List V5
Source checked
Nov 5, 2026
References
8 linked sources
Open source record