CVE-2026-44285— FastGPT: SSRF Protection Bypass via `externalFile` in Dataset Preview API
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-44285
Vulnerability Information
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Vulnerability Title
FastGPT: SSRF Protection Bypass via `externalFile` in Dataset Preview API
Source: NVD (National Vulnerability Database)
Vulnerability Description
FastGPT is an AI Agent building platform. Prior to 4.15.0-beta1, a Server-Side Request Forgery (SSRF) vulnerability allows an authenticated attacker to bypass the global isInternalAddress network protection and make arbitrary HTTP GET requests to internal network services. This is achieved by exploiting an incomplete fix in the dataset preview endpoint /api/core/dataset/file/getPreviewChunks when utilizing the externalFile data import type. This vulnerability is fixed in 4.15.0-beta1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-44285
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Vendor Advisories for CVE-2026-44285 (1)
IV. Related Vulnerabilities
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Same vendor: labring
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FastGPT: sandbox escape to RCE - code-sandbox regex /\bimpor - CVE-2026-44286
FastGPT: SSRF Vulnerability in Laf Workflow Node via Missing - CVE-2026-44284
FastGPT: Stored MCP tool URL SSRF in FastGPT workflow execut - CVE-2026-42345
FastGPT: Cloud metadata endpoint SSRF protection bypass via - CVE-2026-42344
FastGPT: DNS rebinding TOCTOU bypass in isInternalAddress al
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V. Comments for CVE-2026-44285
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