{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.1.3"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "09f099dbfda179e439ec677d06ad737375899eef"
            }
          ],
          "repo": "https://github.com/flowiseai/flowise",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-4878-cqgq-j53v"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-94"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73486.json"
  },
  "details": "Flowise before 3.1.3 contains a code injection vulnerability in the CSV Agent node's customReadCSV parameter that allows authenticated attackers to execute arbitrary Python code. The validator uses a static regex blocklist that can be bypassed through obfuscation techniques, enabling attackers to execute code in the unsandboxed pyodide environment with full system access.",
  "id": "CVE-2026-73486",
  "modified": "2026-08-15T11:31:02.833705726Z",
  "published": "2026-08-13T11:28:06.103Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73486.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-4878-cqgq-j53v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73486"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/flowise-before-code-injection-via-csv-agent-customreadcsv"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV"
}