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CVE-2026-44284

6.3 · MEDIUM

FastGPT is an AI Agent building platform.

Published May 8, 2026CWE-918EPSS 0.40%

Overview

CVE-2026-44284 is a medium-severity vulnerability. It was published on May 8, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

FastGPT is an AI Agent building platform. Prior to version 4.14.17, FastGPT had an inconsistent SSRF protection gap in MCP tool URL handling. The direct MCP preview/run endpoints already rejected internal/private network URLs, but the MCP tool create/update endpoints could still save an internal MCP server URL. That stored URL could later be used by workflow execution without revalidating the destination. An authenticated user with permission to create or manage MCP toolsets could store an internal endpoint such as http://localhost:3000/mcp and later cause the FastGPT backend workflow runner to connect to that internal destination. This issue has been patched in version 4.14.17.

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/labring/FastGPT/commit/c1c6b9520d976d25ed945b5bc4e0768149e6db69GitHubgithub.com/labring/FastGPT/pull/6826GitHubgithub.com/labring/FastGPT/releases/tag/v4.14.17GitHubgithub.com/labring/FastGPT/security/advisories/GHSA-cxxj-99f7-f5wqGitHubgithub.com/labring/FastGPT/pull/6826GitHubgithub.com/labring/FastGPT/security/advisories/GHSA-cxxj-99f7-f5wq

How CyberStrike helps

Frequently asked questions

What is CVE-2026-44284?

CVE-2026-44284 is a medium-severity vulnerability. It was published on May 8, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-44284?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-44284?

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-2026-44284?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-44284 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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