What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-29 · updated 2026-07-22
• Weakness: CWE-918

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.

Affected products

• labring FastGPT: before 4.15.0-beta1

References

• https://github.com/labring/FastGPT/security/advisories/GHSA-c65v-7vx6-f8m3
• https://github.com/labring/FastGPT/security/advisories/GHSA-c65v-7vx6-f8m3

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