{"data":{"id":"1c2202eb-b54c-46f6-a949-106247825b21","title":"GHSA-728h-4mwj-f2p4: FlowiseAI: CustomTemplate create+update mass-assignment allows cross-workspace template takeover","summary":"The FlowiseAI CustomTemplate create and update paths in packages/server/src/services/marketplaces/index.ts copy the full request body onto the entity with Object.assign(newTemplate, body) and no field allowlist. A client-supplied workspaceId, and on create an id, is therefore persisted, letting any authenticated member who can edit a customtemplate move it into another workspace by UUID. The advisory rates this High and notes that workspace UUIDs are often exposed in API responses, which makes target enumeration simple.","solution":"Fixed in PR https://github.com/FlowiseAI/Flowise/pull/6129, which applies an explicit field allowlist pattern to the CustomTemplate create and update paths, matching commit 840d2ae for DocumentStore.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-728h-4mwj-f2p4","publishedAt":"2026-05-14T16:19:32.000Z","cveId":null,"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"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":["GHSA-728h-4mwj-f2p4"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-05-14T16:19:32.000Z","fixReleasedAt":"2026-04-14T10:52:03.012Z","daysToFix":-30,"fixCheckedAt":"2026-10-29T21:36:17.506Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.85,"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":"2026-10-29T21:36:17.358Z"}]}}