{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73483", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-12T18:19:17.025Z", "datePublished": "2026-08-13T11:28:04.025Z", "dateUpdated": "2026-08-13T11:28:04.025Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-13T11:28:04.025Z"}, "datePublic": "2026-07-29T00:00:00.000Z", "title": "Flowise before 3.1.3 Sandbox Escape via Puppeteer", "descriptions": [{"lang": "en", "value": "Flowise (packages flowise and flowise-components) in versions <= 3.1.2 contain a sandbox escape in the vm2/@flowiseai/nodevm JavaScript sandbox. An authenticated user with access to the /api/v1/node-custom-function endpoint can escape the sandbox by supplying attacker-controlled executablePath and args parameters to puppeteer.launch(), which internally invokes child_process.spawn() outside the sandbox boundary. This allows execution of arbitrary OS commands as the Flowise process user (root in the official Docker image) and arbitrary host file disclosure via Chromium's file:// URL handling. In versions 3.0.8\u20133.1.2 exploitation requires ALLOW_BUILTIN_DEP=true; earlier versions are exploitable by default. Fixed in 3.1.3."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "cweId": "CWE-78", "type": "CWE"}]}], "affected": [{"vendor": "FlowiseAI", "product": "Flowise", "defaultStatus": "unaffected", "packageURL": "pkg:npm/flowise", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "3.1.3"}, {"version": "3.1.3", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "FlowiseAI", "product": "Flowise", "defaultStatus": "unaffected", "packageURL": "pkg:npm/flowise-components", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "3.1.3"}, {"version": "3.1.3", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.1.3"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "baseScore": 9.4, "baseSeverity": "CRITICAL"}}], "references": [{"url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9gvv-qjj3-2p6g", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-9gvv-qjj3-2p6g)"}, {"name": "VulnCheck Advisory: Flowise before 3.1.3 Sandbox Escape via Puppeteer", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/flowise-before-sandbox-escape-via-puppeteer"}], "credits": [{"lang": "en", "value": "Skaushik-Qlys", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:npm/flowise", "product": "Flowise", "vendor": "FlowiseAI", "versions": [{"lessThan": "3.1.3", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "3.1.3", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:npm/flowise-components", "product": "Flowise", "vendor": "FlowiseAI", "versions": [{"lessThan": "3.1.3", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "3.1.3", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Flowise (packages flowise and flowise-components) in versions <= 3.1.2 contain a sandbox escape in the vm2/@flowiseai/nodevm JavaScript sandbox. An authenticated user with access to the /api/v1/node-custom-function endpoint can escape the sandbox by supplying attacker-controlled executablePath and args parameters to puppeteer.launch(), which internally invokes child_process.spawn() outside the sandbox boundary. This allows execution of arbitrary OS commands as the Flowise process user (root in the official Docker image) and arbitrary host file disclosure via Chromium's file:// URL handling. In versions 3.0.8\u20133.1.2 exploitation requires ALLOW_BUILTIN_DEP=true; earlier versions are exploitable by default. Fixed in 3.1.3."}], "id": "CVE-2026-73483", "lastModified": "2026-08-13T12:17:23.540", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-08-13T12:17:23.540", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9gvv-qjj3-2p6g"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/flowise-before-sandbox-escape-via-puppeteer"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.1.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "3.1.3"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "flowise", "vendor": "flowiseai"}], "created": "2026-08-13T12:45:03.410075+00:00", "updated": "2026-08-13T13:30:17.186338+00:00", "vendors": ["flowiseai", "flowiseai$PRODUCT$flowise"]}