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CVE-2026-11455— FoundationAgents MetaGPT common.py check_cmd_exists command injection

Quick assessment

Affected
FoundationAgents MetaGPT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 0.8.2及之前版本存在命令注入漏洞，该漏洞源于文件metagpt/utils/common.py中函数check_cmd_exists对参数mermaid.path的错误操作，可能导致命令注入。

CVSS 5.0 · Medium EPSS 0.94% · P60

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
FoundationAgents MetaGPT 0.8.0 affected
0.8.1 affected
0.8.2 affected
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I. Basic Information for CVE-2026-11455

Vulnerability Information
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Vulnerability Title
FoundationAgents MetaGPT common.py check_cmd_exists command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in FoundationAgents MetaGPT up to 0.8.2. Affected by this issue is the function check_cmd_exists of the file metagpt/utils/common.py. This manipulation of the argument mermaid.path causes command injection. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation is known to be difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
MetaGPT 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MetaGPT是MetaGPT公司的一个多代理框架。 MetaGPT 0.8.2及之前版本存在命令注入漏洞，该漏洞源于文件metagpt/utils/common.py中函数check_cmd_exists对参数mermaid.path的错误操作，可能导致命令注入。
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 cpe:2.3:a:foundationagents:metagpt:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-11455

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III. Intelligence Information for CVE-2026-11455

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Security Blog Posts for CVE-2026-11455 (2)

IV. Related Vulnerabilities

Same product: MetaGPT
Same vendor: FoundationAgents
Same weakness: CWE-77

V. Comments for CVE-2026-11455

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