{"id":"CVE-2026-109442","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-109442","generatedAt":"2026-10-28T01:02:58.044Z","title":"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.","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.","published":"2026-10-20T01:17:10.000Z","lastModified":"2026-10-20T20:11:30.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-306"],"affected":[],"epss":{"score":0.0084,"percentile":0.57575,"date":"2026-10-26","history":[{"date":"2026-10-20","score":0.00694,"percentile":0.52128}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-20T01:17:10.000Z","detail":{"score":"9.3","severity":"CRITICAL","publishedAt":"2026-10-20T01:17:10.383Z"},"summary":"New CVE, critical severity (CVSS 9.3)."}],"references":[{"url":"https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/agents/tools.py#L114","source":"disclosure@vulncheck.com"},{"url":"https://github.com/cas-bigdatalab/piflow/blob/ad8d0108a54a4257307d4946dc9250e26f24c63f/server.py#L615","source":"disclosure@vulncheck.com"},{"url":"https://www.lasso.security/vulnerability-database/cve-2026-109442","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/piflow-2.0.0-through-2.0.1-unauthenticated-rce-via-chat-agent-exec-shell","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-109442","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}