SSRF in Tencentcloudbase Cloudbase-mcp
CVE-2026-7221
A vulnerability was found in TencentCloudBase CloudBase-MCP up to 2.17.0. Affected is the function openUrl of the file mcp/src/interactive-server.ts of the component open-url API Endpoint. The manipulation of the argument req.body.url resu…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.001 (19.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Tencentcloudbase Cloudbase-mcp — versions 2.0, 2.1, 2.2
Weakness classification (CWE)
References
- VDB-359821 | TencentCloudBase CloudBase-MCP open-url API Endpoint interactive-server.ts openUrl server-side request forgery (technical-description, vdb-entry)
- VDB-359821 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #802230 | TencentCloudBase CloudBase-MCP 2.16.1 Server-Side Request Forgery (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-7221?
- CVE-2026-7221 is a high-severity vulnerability in Tencentcloudbase Cloudbase-mcp, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-04-28.
- How severe is CVE-2026-7221?
- High severity. CVSS v3 base score is 7.3 out of 10.