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CVE-2026-5971— FoundationAgents MetaGPT XML action_node.py ActionNode.xml_fill eval injection

Quick assessment

Affected
FoundationAgents MetaGPT
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.

MetaGPT是MetaGPT公司的一个多代理框架。 MetaGPT 0.8.1及之前版本存在安全漏洞，该漏洞源于对XML Handler组件中metagpt/actions/action_node.py文件ActionNode.xml_fill函数的操作，可能导致动态评估代码中指令中和不当。

CVSS 7.3 · High EPSS 0.71% · P53
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I. Basic Information for CVE-2026-5971

Vulnerability Information
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Vulnerability Title
FoundationAgents MetaGPT XML action_node.py ActionNode.xml_fill eval injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in FoundationAgents MetaGPT up to 0.8.1. This vulnerability affects the function ActionNode.xml_fill of the file metagpt/actions/action_node.py of the component XML Handler. Executing a manipulation can lead to improper neutralization of directives in dynamically evaluated code. The attack may be launched remotely. The exploit has been published and may be used. The project was informed of the problem early through a pull request but has not reacted yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
动态执行代码中指令转义处理不恰当(Eval注入)
Source: CVE Program / CVE List V5
Vulnerability Title
MetaGPT 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MetaGPT是MetaGPT公司的一个多代理框架。 MetaGPT 0.8.1及之前版本存在安全漏洞，该漏洞源于对XML Handler组件中metagpt/actions/action_node.py文件ActionNode.xml_fill函数的操作，可能导致动态评估代码中指令中和不当。
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
FoundationAgents MetaGPT 0.8.0 -

II. Public POCs for CVE-2026-5971

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Qwen3.6-35B-A3B · 7744 chars
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III. Intelligence Information for CVE-2026-5971

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Vendor Advisories for CVE-2026-5971 (1)

Exploits & Public PoCs for CVE-2026-5971 (1)

Proof of Concept for CVE-2026-5971 (1)

Same Patch Batch · FoundationAgents · 2026-04-09 · 5 CVEs total

CVE-2026-5970 7.3 HIGH FoundationAgents MetaGPT HumanEvalBenchmark/MBPPBenchmark check_solution code injection
CVE-2026-5973 7.3 HIGH FoundationAgents MetaGPT common.py get_mime_type os command injection
CVE-2026-5972 7.3 HIGH FoundationAgents MetaGPT terminal.py Terminal.run_command os command injection
CVE-2026-5974 7.3 HIGH FoundationAgents MetaGPT terminal.py Bash.run os command injection

IV. Related Vulnerabilities

Same product: MetaGPT
Same vendor: FoundationAgents
Same weakness: CWE-95

V. Comments for CVE-2026-5971

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