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I. Basic Information for CVE-2026-34935
Vulnerability Information

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Vulnerability Title
PraisonAI: OS Command Injection in MCPHandler.parse_mcp_command()
Source: NVD (National Vulnerability Database)
Vulnerability Description
PraisonAI is a multi-agent teams system. From version 4.5.15 to before version 4.5.69, the --mcp CLI argument is passed directly to shlex.split() and forwarded through the call chain to anyio.open_process() with no validation, allowlist check, or sanitization at any hop, allowing arbitrary OS command execution as the process user. This issue has been patched in version 4.5.69.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
PraisonAI 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PraisonAI是Mervin Praison个人开发者的一个低代码多智能体协作框架。 PraisonAI 4.5.15至4.5.69之前版本存在操作系统命令注入漏洞,该漏洞源于--mcp CLI参数未经任何验证、白名单检查或清理直接传递,可能导致任意操作系统命令执行。
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
VendorProductAffected VersionsCPESubscribe
MervinPraisonPraisonAI >= 4.5.15, < 4.5.69 -
II. Public POCs for CVE-2026-34935
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
kimi-k2.5 · 10733 chars
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III. Intelligence Information for CVE-2026-34935
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IV. Related Vulnerabilities
V. Comments for CVE-2026-34935

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