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CVE-2026-109442— piflow 2.0.0 through 2.0.1 Unauthenticated RCE via Chat Agent exec_shell

Quick assessment

Affected
cas-bigdatalab piflow
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.

piflow 2.0.0 至 2.0.1 版本中，其 DeepAgents 聊天代理存在远程代码执行漏洞。该代理的 POST /chat 和 POST /chat/stream 接口缺乏身份验证机制。攻击者可指示代理调用 exec_shell 工具，该工具通过 subprocess.run 执行任意命令，且无需人工审批或白名单限制，从而导致 LLM API 密钥、数据库凭据等环境敏感信息泄露。

CVSS 9.8 · Critical
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I. Basic Information for CVE-2026-109442

Vulnerability Information
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Vulnerability Title
piflow 2.0.0 through 2.0.1 Unauthenticated RCE via Chat Agent exec_shell
Source: CVE Program / CVE List V5
Vulnerability Description
piflow 2.0.0 through 2.0.1 contains a remote code execution vulnerability in its DeepAgents chat agent, whose POST /chat and POST /chat/stream endpoints lack authentication. Attackers can instruct the agent to call the exec_shell tool, which runs arbitrary commands via subprocess.run without human approval or an allow-list, exposing environment secrets such as LLM API keys and database credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
cas-bigdatalab piflow 2.0.0 ~ 2.0.1 -

II. Public POCs for CVE-2026-109442

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III. Intelligence Information for CVE-2026-109442

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Other References for CVE-2026-109442 (4)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-109442

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