{"id":"CVE-2026-109442","summary":"piflow 2.0.0 through 2.0.1 Unauthenticated RCE via Chat Agent exec_shell","details":"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.","modified":"2026-10-20T11:18:25.175487285Z","published":"2026-10-20T00:46:06.694Z","database_specific":{"cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109442.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109442.json"},{"type":"PACKAGE","url":"https://github.com/cas-bigdatalab/piflow"},{"type":"ARTICLE","url":"https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/agents/tools.py#L114"},{"type":"ARTICLE","url":"https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/server.py#L615"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109442"},{"type":"EVIDENCE","url":"https://www.lasso.security/vulnerability-database/cve-2026-109442"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/piflow-2.0.0-through-2.0.1-unauthenticated-rce-via-chat-agent-exec-shell"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cas-bigdatalab/piflow","events":[{"introduced":"f3b421cb071dd45a6e8f34c65861724064e503d8"},{"last_affected":"ad8d0108a54a4257307d4946dc9250e26f24c63f"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"2.0.0"},{"last_affected":"2.0.1"}]}}],"versions":["v2.0.1","v2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109442.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}