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CVE-2026-7221

7.3 · HIGH

A vulnerability was found in TencentCloudBase CloudBase-MCP up to 2.17.0.

Published Apr 28, 2026CWE-918EPSS 0.51%

Overview

CVE-2026-7221 is a high-severity vulnerability. It was published on April 28, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/TencentCloudBase/CloudBase-MCP/GitHubgithub.com/TencentCloudBase/CloudBase-MCP/commit/3f678a1e7bd400cd76469d61024097d4920dc6b5GitHubgithub.com/TencentCloudBase/CloudBase-MCP/issues/509GitHubgithub.com/TencentCloudBase/CloudBase-MCP/pull/510GitHubgithub.com/TencentCloudBase/CloudBase-MCP/releases/tag/v2.17.1Refvuldb.com/submit/802230Refvuldb.com/vuln/359821Refvuldb.com/vuln/359821/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-7221?

CVE-2026-7221 is a high-severity vulnerability. It was published on April 28, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-7221?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-7221?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-7221?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-7221 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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