GHSA-h42x-xx2q-6v6g: Flowise Pre-auth Arbitrary File Upload

March 13, 2025 (updated October 31, 2025)

An unauthorized attacker can leverage the allow-listed route /api/v1/attachments to upload arbitrary files when the storageType is set to local (default).

References

github.com/FlowiseAI/Flowise
github.com/FlowiseAI/Flowise/commit/c2b830f279e454e8b758da441016b2234f220ac7
github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g
github.com/advisories/GHSA-h42x-xx2q-6v6g

Code Behaviors & Features

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