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CVE-2026-40100

nvd nist
Published: Apr 10, 2026Modified: Jun 17, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploitability: 3.9 / Impact: 1.4
Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Products: Fastgpt: Fastgpt
Fastgpt
1 product
Fastgpt
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Fastgpt
Before 4.14.10.3

Related CWEs

CWE-918
Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

References (1)

Source: security-advisories@github.com
Vendor Advisory

Timeline

No history available yet.