{"id":"CVE-2026-73486","aliases":["EUVD-2026-57802","GHSA-4878-cqgq-j53v","GHSA-xcrh-wphv-74q4"],"status":"published","title":"Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV","description":"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.","severity":{"version":"4.0","score":9,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00662,"percentile":0.52106,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-08-13T11:28:06Z","modified":"2026-10-28T02:30:26Z","products":[{"vendor":"flowiseai","product":"flowise"}],"references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-4878-cqgq-j53v","tags":["vendor-advisory","exploit","Exploit","Vendor Advisory","advisory"]},{"url":"https://www.vulncheck.com/advisories/flowise-before-code-injection-via-csv-agent-customreadcsv","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73486","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xcrh-wphv-74q4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73486.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-73486","title":"Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV","description":"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.","status":"published","published":"2026-08-13T11:28:06.103Z","modified":"2026-08-13T12:45:11.509Z","cvss":[{"version":"4.0","score":9,"vector":"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","level":"critical","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T13:43:33.766176Z"}],"euvd":[{"id":"EUVD-2026-57802","description":"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.","status":"published","published":"2026-08-13T11:28:06Z","modified":"2026-08-13T12:45:11Z","cvss":[{"version":"4.0","score":9,"vector":"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","level":"critical"}],"updated_at":"2026-11-02T18:01:57.213133Z"}],"ghsa":[{"id":"GHSA-xcrh-wphv-74q4","title":"Flowise before 3.1.3 contains a code injection vulnerability in the CSV Agent node's...","description":"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.","status":"published","published":"2026-08-13T12:31:09Z","modified":"2026-09-03T21:32:16Z","cvss":[{"version":"4.0","score":9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:11:20.583896Z"}],"nvd":[{"id":"CVE-2026-73486","description":"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.","status":"published","published":"2026-08-13T12:17:23.947Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"4.0","score":9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:37.217486Z"}],"osv":[{"id":"CVE-2026-73486","title":"Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV","description":"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.","status":"published","published":"2026-08-13T11:28:06.103Z","modified":"2026-10-28T02:30:26.980927449Z","cvss":[{"version":"4.0","score":9,"vector":"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","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:45:16.365946Z"}]}}