CVE-2026-7221: TencentCloudBase CloudBase-MCP open-url API Endpoint interactive-server.ts openUrl server-side request forgery
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 results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2.17.1 is able to address this issue. The patch is identified as 3f678a1e7bd400cd76469d61024097d4920dc6b5. It is recommended to upgrade the affected component.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
TencentCloudBase CloudBase-MCP open-url API Endpoint (mcp/src/interactive-server.ts openUrl)to a version that resolves this vulnerability.Fixed in 2.17.1Patch 3f678a1e7bd400cd76469d61024097d4920dc6b5
Event History
Frequently Asked Questions
What is the severity of CVE-2026-7221?
The severity of CVE-2026-7221 has been categorized as critical due to the potential for server-side request forgery.
How do I fix CVE-2026-7221?
To fix CVE-2026-7221, upgrade TencentCloudBase CloudBase-MCP to version 2.17.1 or later.
What components are affected by CVE-2026-7221?
CVE-2026-7221 affects the open-url API Endpoint feature in TencentCloudBase CloudBase-MCP versions up to 2.17.0.
What types of attacks can exploit CVE-2026-7221?
CVE-2026-7221 can be exploited through server-side request forgery (SSRF) attacks.
Is CVE-2026-7221 an authenticated or unauthenticated vulnerability?
CVE-2026-7221 is an unauthenticated vulnerability, allowing attackers to exploit it without prior authentication.