CVE WatchJul 24, 2026

CVE-2026-42343

FastGPT is an AI Agent building platform. In versions 4.14.13 and prior, the code-sandbox component suffers from insufficient resource isola

CVSS

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No CVSS

EPSS

0.3%

p19

KEV

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Exploit Today

0-100

Published: May 8, 2026 · Last modified: Jul 24, 2026 · CWE-400

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-08-042026-08-31

Technical description

FastGPT is an AI Agent building platform. In versions 4.14.13 and prior, the code-sandbox component suffers from insufficient resource isolation and uncontrolled resource consumption. The service relies solely on an application-level soft limit (a 500ms polling interval) for memory management and lacks strict OS-level constraints such as cgroups or kernel-level namespaces. This architectural weakness allows attackers to easily bypass memory checks via time-window attacks, or exhaust the entire JavaScript worker pool via concurrent CPU-intensive requests, resulting in a complete Denial of Service (DoS) for legitimate users. At time of publication, there are no publicly available patches.

Official references

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