CVE-2026-40100

CVSS Score & Metrics

Base Score

5.3 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N                                    

Vulnerability Description

FastGPT is an AI Agent building platform. Prior to 4.14.10.3, the /api/core/app/mcpTools/runTool endpoint accepts arbitrary URLs without authentication. The internal IP check in isInternalAddress() only blocks private IPs when CHECK_INTERNAL_IP=true, which is not the default. This allows unauthenticated attackers to perform SSRF against internal network resources. This vulnerability is fixed in 4.14.10.3.

Vulnerability Details

Published Date

April 10, 2026

Last Modified

April 15, 2026

CWE ID

CWE-918

Source

NVD

Vendor

labring

Product

FastGPT

External References

https://github.com/labring/FastGPT/security/advisories/GHSA-jrhc-f3j7-f8g4

CVSS Score & Metrics

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