Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-40100

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.2%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-40100


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