Critical severity9.8NVD Advisory· Published Oct 20, 2026
CVE-2026-109442
CVE-2026-109442
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.
Affected products
1- Range: 2.0.0 - 2.0.1
Patches
Vulnerability mechanics
References
4- github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/agents/tools.pynvd
- github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/server.pynvd
- www.lasso.security/vulnerability-database/cve-2026-109442nvd
- www.vulncheck.com/advisories/piflow-2.0.0-through-2.0.1-unauthenticated-rce-via-chat-agent-exec-shellnvd
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