Is CVE-2026-7221 actively exploited?

No active exploitation of CVE-2026-7221 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7221 be exploited remotely?

Yes. CVE-2026-7221 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7221?

CVE-2026-7221 has a CVSS score of 7.3 (HIGH).

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HIGH

CVE-2026-7221

CWE-918Published: April 28, 2026· Updated: Apr 29, 2026

7.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.3th

Official 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.

NVD Source

Technical Analysis

CVE-2026-7221 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.