{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.0.0"
              },
              {
                "last_affected": "2.0.1"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "f3b421cb071dd45a6e8f34c65861724064e503d8"
            },
            {
              "last_affected": "ad8d0108a54a4257307d4946dc9250e26f24c63f"
            }
          ],
          "repo": "https://github.com/cas-bigdatalab/piflow",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-306"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109442.json"
  },
  "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.",
  "id": "CVE-2026-109442",
  "modified": "2026-10-20T10:30:41.082505222Z",
  "published": "2026-10-20T00:46:06.694Z",
  "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"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "piflow 2.0.0 through 2.0.1 Unauthenticated RCE via Chat Agent exec_shell"
}