{"id":"CVE-2026-91932","state":"PUBLISHED","title":"Flowise before 3.1.4 Remote Code Execution via cwd Parameter","description":"Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code.","publishedAt":"2026-09-15T15:17:56.278Z","updatedAt":"2026-09-15T16:07:11.412Z","severity":{"score":9,"label":"Critical","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["FlowiseAI Flowise"],"affected":[{"vendor":"FlowiseAI","product":"Flowise","packageURL":"pkg:npm/flowise","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.1.4","versionType":"semver"},{"version":"3.1.4","status":"unaffected","versionType":"semver"}]},{"vendor":"FlowiseAI","product":"Flowise","packageURL":"pkg:npm/flowise-components","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.1.4","versionType":"semver"},{"version":"3.1.4","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm","https://www.vulncheck.com/advisories/flowise-before-3.1.4-remote-code-execution-via-cwd-parameter"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91932.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91932","state":"PUBLISHED","datePublished":"2026-09-15T15:17:56.278Z","dateUpdated":"2026-09-15T16:07:11.412Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-15T11:06:02.263Z"},"containers":{"cna":{"title":"Flowise before 3.1.4 Remote Code Execution via cwd Parameter","descriptions":[{"lang":"en","value":"Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code."}],"affected":[{"vendor":"FlowiseAI","product":"Flowise","packageURL":"pkg:npm/flowise","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.1.4","versionType":"semver"},{"version":"3.1.4","status":"unaffected","versionType":"semver"}]},{"vendor":"FlowiseAI","product":"Flowise","packageURL":"pkg:npm/flowise-components","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.1.4","versionType":"semver"},{"version":"3.1.4","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-x7x8-95gh-42xm)"},{"url":"https://www.vulncheck.com/advisories/flowise-before-3.1.4-remote-code-execution-via-cwd-parameter","name":"VulnCheck Advisory: Flowise before 3.1.4 Remote Code Execution via cwd Parameter","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"Improper Input Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-09-15T15:17:56.278Z"},"datePublic":"2026-08-31T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*","versionEndExcluding":"3.1.4"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*","versionEndExcluding":"3.1.4"}]}]}],"credits":[{"lang":"en","value":"biecho","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-15T16:05:43.454063Z","id":"CVE-2026-91932","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-15T16:07:11.412Z"}}]}}}