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CVE-2026-44285— FastGPT: SSRF Protection Bypass via `externalFile` in Dataset Preview API

Quick assessment

Affected
labring FastGPT
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FastGPT是labring开源的一款基于大语言模型的开源知识库问答系统。 FastGPT 4.15.0-beta1之前版本存在代码问题漏洞，该漏洞源于服务端请求伪造，允许经过身份验证的攻击者绕过全局isInternalAddress网络保护，通过利用数据集预览端点/api/core/dataset/file/getPreviewChunks中不完整的修复进行任意HTTP GET请求到内部网络服务。

CVSS 7.7 · High EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1113 · Screen Capture

Affected Version Matrix 1

VendorProduct Version RangeStatus
labring FastGPT < 4.15.0-beta1 affected
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
FastGPT 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FastGPT是labring开源的一款基于大语言模型的开源知识库问答系统。 FastGPT 4.15.0-beta1之前版本存在代码问题漏洞，该漏洞源于服务端请求伪造，允许经过身份验证的攻击者绕过全局isInternalAddress网络保护，通过利用数据集预览端点/api/core/dataset/file/getPreviewChunks中不完整的修复进行任意HTTP GET请求到内部网络服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
labring FastGPT < 4.15.0-beta1 -

II. Public POCs for CVE-2026-44285

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7131 chars
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III. Intelligence Information for CVE-2026-44285

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Vendor Advisories for CVE-2026-44285 (1)

IV. Related Vulnerabilities

Same product: FastGPT
Same vendor: labring
Same weakness: CWE-918

V. Comments for CVE-2026-44285

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