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CVE-2025-49131

6.3 · MEDIUM

FastGPT is an open-source project that provides a platform for building, deploying, and operating AI-driven workflows and conversational agents.

Published Jun 9, 2025CWE-732EPSS 0.45%

Overview

CVE-2025-49131 is a medium-severity vulnerability. It was published on June 9, 2025 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

FastGPT is an open-source project that provides a platform for building, deploying, and operating AI-driven workflows and conversational agents. The Sandbox container (fastgpt-sandbox) is a specialized, isolated environment used by FastGPT to safely execute user-submitted or dynamically generated code in isolation. The sandbox before version 4.9.11 has insufficient isolation and inadequate restrictions on code execution by allowing overly permissive syscalls, which allows attackers to escape the intended sandbox boundaries. Attackers could exploit this to read and overwrite arbitrary files and bypass Python module import restrictions. This is patched in version 4.9.11 by restricting the allowed system calls to a safer subset and additional descriptive error messaging.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/labring/FastGPT/commit/bb810a43a1c70683fab7f5fe993771e930a94426GitHubgithub.com/labring/FastGPT/pkgs/container/fastgpt-sandboxGitHubgithub.com/labring/FastGPT/pull/4958GitHubgithub.com/labring/FastGPT/releases/tag/v4.9.11GitHubgithub.com/labring/FastGPT/security/advisories/GHSA-f3pf-r3g7-g895

How CyberStrike helps

Frequently asked questions

What is CVE-2025-49131?

CVE-2025-49131 is a medium-severity vulnerability. It was published on June 9, 2025 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-49131?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-49131?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-49131?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-49131 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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