FastGPT SSRF and code sandbox escape flaws fixed in 4.15.0-beta1
Two vulnerabilities were disclosed in the FastGPT AI agent building platform: an SSRF in the dataset preview endpoint that bypasses internal-address protection to reach internal services, and a JavaScript sandbox filter bypass (import/**/(...)) allowing arbitrary command execution inside the sandbox container. Both are fixed in version 4.15.0-beta1.
Disclosed 29 May 2026 · Record updated 1 October 2026
Impact
An authenticated attacker could make arbitrary HTTP GET requests to internal network services, and could execute arbitrary commands as the sandbox user inside the code-sandbox container.
Our coverage
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Sources
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-44285
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-44287
