What is CVE-2026-33060?

CVE-2026-33060 is a medium-severity vulnerability in Ondata Ckan-mcp-server, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-03-20.

How severe is CVE-2026-33060?

Medium severity. CVSS v3 base score is 5.3 out of 10.

SSRF in Ondata Ckan-mcp-server

CVE-2026-33060

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 rest…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ondata Ckan-mcp-server — versions < 0.4.85

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-3xm7-qw7j-qc8v (x_refsource_CONFIRM)
https://github.com/kysely-org/kysely/commit/0a602bff2f442f6c26d5e047ca8f8715179f6d24 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33060?: CVE-2026-33060 is a medium-severity vulnerability in Ondata Ckan-mcp-server, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-03-20.
How severe is CVE-2026-33060?: Medium severity. CVSS v3 base score is 5.3 out of 10.