{"data":{"id":"1428e37e-595b-4b01-bbc2-1a3c38933eb8","title":"GHSA-5wxp-qjgq-fx6m: FlowiseAI has Mass Assignment in Chatflow Update Endpoint that Allows Cross-Workspace AgentFlow Reassignment","summary":"A mass assignment flaw in the PUT /api/v1/chatflows/{chatflowId} endpoint of FlowiseAI lets an authenticated user set server-controlled fields such as deployed, isPublic, workspaceId, createdDate and updatedDate, because the request body is merged directly into the chatflow model without a DTO whitelist or authorization checks. In testing, a chatflow was reassigned to a second workspace, which breaks tenant isolation in multi-tenant deployments and may expose private workflows or alter deployed agent workflows.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-5wxp-qjgq-fx6m","publishedAt":"2026-05-14T14:54:28.000Z","cveId":"CVE-2026-42863","cweIds":null,"cvssScore":null,"cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":["flowise@<= 3.1.1 (fixed: 3.1.2)"],"affectedPackageNames":["flowise"],"affectedPackageRefs":["npm:flowise"],"affectedVendors":[],"affectedVendorsRaw":["FlowiseAI","Flowise"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00316,"epssCheckedAt":"2026-11-07T12:08:48.937Z","kevDateAdded":null,"advisoryAliases":["GHSA-5wxp-qjgq-fx6m"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-05-14T14:54:28.000Z","fixReleasedAt":"2026-04-14T10:52:03.012Z","daysToFix":-30,"fixCheckedAt":"2026-10-29T21:36:25.008Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity"],"aiComponentTargeted":"agent","llmSpecific":false,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null,"fixes":[{"ecosystem":"npm","name":"flowise","fixedVersion":"3.1.2","matchedVersion":"3.1.2","fixReleasedAt":"2026-04-14T10:52:03.012Z","daysToFix":-30,"match":"ecosystem","source":"tracked","status":"found","checkedAt":"2026-10-29T21:36:24.861Z"}]}}