{"id":"CVE-2026-109442","title":"piflow 2.0.0 through 2.0.1 Unauthenticated RCE via Chat Agent exec_shell","summary":"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, w…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-306"],"vendor":"cas-bigdatalab","product":"piflow","affected":["piflow >= 2.0.0 <= 2.0.1"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T00:46:06.694Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109442","references":[{"url":"https://www.lasso.security/vulnerability-database/cve-2026-109442","label":"Lasso.security Advisory"},{"url":"https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/agents/tools.py#L114"},{"url":"https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/server.py#L615"},{"url":"https://www.vulncheck.com/advisories/piflow-2.0.0-through-2.0.1-unauthenticated-rce-via-chat-agent-exec-shell","label":"VulnCheck Advisory: piflow 2.0.0 through 2.0.1 Unauthenticated RCE via Chat Agent exec_shell"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T01:49:42.627Z","slug":"CVE-2026-109442","body":"## Overview\n\npiflow 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.\n\n## Affected\n\n- `piflow >= 2.0.0 <= 2.0.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}