---
title: "CVE-2026-109442: piflow - Remote Code Execution"
description: "piflow 2.0.0 through 2.0.1 contains a remote code execution caused by lack of authentication in DeepAgents chat agent POST /chat and POST /chat/stream endpoints, letting attackers run arbitrary commands and access environment secrets, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-109442/
---

# CVE-2026-109442 piflow - Remote Code Execution

piflow 2.0.0 through 2.0.1 contains a remote code execution caused by lack of authentication in DeepAgents chat agent POST /chat and POST /chat/stream endpoints, letting attackers run arbitrary commands and access environment secrets, exploit requires no authentication.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-109442)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

20 October 2026

Updated

20 October 2026

Weakness

[CWE-306](https://cwe.mitre.org/data/definitions/306.html)

## Vendor fix

Update to the latest version beyond 2.0.1 that addresses authentication in DeepAgents chat agent endpoints.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-109442](https://nvd.nist.gov/vuln/detail/CVE-2026-109442)
- [https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/server.py#L615](https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/server.py#L615)
- [https://www.lasso.security/vulnerability-database/cve-2026-109442](https://www.lasso.security/vulnerability-database/cve-2026-109442)
- [https://www.vulncheck.com/advisories/piflow-2.0.0-through-2.0.1-unauthenticated-rce-via-chat-agent-exec-shell](https://www.vulncheck.com/advisories/piflow-2.0.0-through-2.0.1-unauthenticated-rce-via-chat-agent-exec-shell)
- [https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/agents/tools.py#L114](https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/agents/tools.py#L114)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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