PT-2026-35653 · Tencent · Cloudbase-Mcp

Brucejin · Published 2026-04-28 · Updated 2026-04-29 · CVE-2026-7221

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions TencentCloudBase CloudBase-MCP versions prior to 2.17.1

Description Remote manipulation of the req.body.url variable within the openUrl() function of the mcp/src/interactive-server.ts file in the open-url component allows for server-side request forgery (SSRF). SSRF is a flaw that allows an attacker to induce the server-side application to make requests to an unintended location.

Recommendations Upgrade to version 2.17.1. As a temporary workaround, restrict access to the openUrl() function until the update is applied.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-7221

Affected Products

Cloudbase-Mcp

References · 14

• 🔥 https://github.com/TencentCloudBase/CloudBase-MCP/issues/509 · Exploit
• https://github.com/TencentCloudBase/CloudBase-MCP/commit/3f678a1e7bd400cd76469d61024097d4920dc6b5 · Patch
• https://github.com/TencentCloudBase/CloudBase-MCP/pull/510 · Patch
• https://github.com/TencentCloudBase/CloudBase-MCP/releases/tag/v2.17.1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-7221 · Security Note
• https://twitter.com/CVEarity/status/2049121864069570794 · Twitter Post
• https://github.com/TencentCloudBase/CloudBase-MCP · Note
• https://twitter.com/infoflowcloud/status/2049350875093541295 · Twitter Post
• https://vuldb.com/submit/802230 · Note
• https://twitter.com/CVEnew/status/2049350457433440296 · Twitter Post
• https://vuldb.com/vuln/359821 · Note
• https://vuldb.com/vuln/359821/cti · Note
• https://t.me/cveNotify/161195 · Telegram Post
• https://t.me/CVEtracker/52037 · Telegram Post