{"id":"CVE-2026-73487","sourceIdentifier":"disclosure@vulncheck.com","published":"2026-08-13T12:17:24.083","lastModified":"2026-10-24T15:10:00.190","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that allows unauthenticated attackers to inject malicious code via prompt injection. Attackers can exploit unblocked pandas functions like pd.read_json() to exfiltrate datasets, perform SSRF against internal services, or achieve code execution through the unauthenticated prediction API."},{"lang":"es","value":"Flowise anterior a la versión 3.1.3 contiene una omisión del validador de código Python basado en expresiones regulares en los nodos de agente CSV y Airtable que permite a atacantes no autenticados inyectar código malicioso mediante inyección de prompts. Los atacantes pueden explotar funciones de pandas no bloqueadas como pd.read_json() para exfiltrar conjuntos de datos, realizar SSRF contra servicios internos o lograr la ejecución de código a través de la API de predicción no autenticada."}],"affected":[{"source":"disclosure@vulncheck.com","affectedData":[{"vendor":"FlowiseAI","product":"Flowise","defaultStatus":"unaffected","packageURL":"pkg:npm/flowise","versions":[{"version":"0","lessThan":"3.1.3","versionType":"semver","status":"affected"},{"version":"3.1.3","versionType":"semver","status":"unaffected"}]},{"vendor":"FlowiseAI","product":"Flowise","defaultStatus":"unaffected","packageURL":"pkg:npm/flowise-components","versions":[{"version":"0","lessThan":"3.1.3","versionType":"semver","status":"affected"},{"version":"3.1.3","versionType":"semver","status":"unaffected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/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","baseScore":9.0,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-14T22:26:23.902795Z","id":"CVE-2026-73487","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"disclosure@vulncheck.com","type":"Secondary","description":[{"lang":"en","value":"CWE-94"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*","versionEndIncluding":"3.1.4","matchCriteriaId":"9B13DD07-EC62-44CC-8602-EEAE7960C9B3"}]}]}],"references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-w7x8-q2gp-5cgg","source":"disclosure@vulncheck.com","tags":["Exploit","Mitigation","Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/flowise-before-prompt-injection-rce-via-csv-agent","source":"disclosure@vulncheck.com","tags":["Third Party Advisory"]},{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-w7x8-q2gp-5cgg","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Mitigation","Vendor Advisory"]}]}