{"id":"CVE-2026-91933","state":"PUBLISHED","title":"Flowise before 3.1.4 Authorization Bypass via openai-realtime","description":"Flowise before 3.1.4 fails to enforce workspace-level authorization checks in openai-realtime endpoints, allowing authenticated users to access tools from ChatFlows in other workspaces by supplying an unscoped chatflowid. Attackers can invoke GET and POST requests to retrieve tool definitions and execute tools from victim workspaces, triggering external side effects and accessing sensitive tool outputs.","publishedAt":"2026-09-15T15:17:56.954Z","updatedAt":"2026-09-17T19:28:56.360Z","severity":{"score":7.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","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"}]}],"references":["https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-gggp-6qmf-xwwc","https://www.vulncheck.com/advisories/flowise-before-3.1.4-authorization-bypass-via-openai-realtime"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91933.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91933","state":"PUBLISHED","datePublished":"2026-09-15T15:17:56.954Z","dateUpdated":"2026-09-17T19:28:56.360Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-15T11:06:02.263Z"},"containers":{"cna":{"title":"Flowise before 3.1.4 Authorization Bypass via openai-realtime","descriptions":[{"lang":"en","value":"Flowise before 3.1.4 fails to enforce workspace-level authorization checks in openai-realtime endpoints, allowing authenticated users to access tools from ChatFlows in other workspaces by supplying an unscoped chatflowid. Attackers can invoke GET and POST requests to retrieve tool definitions and execute tools from victim workspaces, triggering external side effects and accessing sensitive tool outputs."}],"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"}]}],"references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-gggp-6qmf-xwwc","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-gggp-6qmf-xwwc)"},{"url":"https://www.vulncheck.com/advisories/flowise-before-3.1.4-authorization-bypass-via-openai-realtime","name":"VulnCheck Advisory: Flowise before 3.1.4 Authorization Bypass via openai-realtime","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:U/C:H/I:H/A:L","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW","baseScore":7.1,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.6,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-09-15T15:17:56.954Z"},"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"}]}]}],"credits":[{"lang":"en","value":"c4tzzz","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-17T18:57:09.710464Z","id":"CVE-2026-91933","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T19:28:56.360Z"}}]}}}