Flowise: Authenticated arbitrary file write in the `S3 Directory` document loader via unsanitized S3 object keys

Date Aug 4, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm · flowise-components
High-risk advisory

Summary

Flowise: Authenticated arbitrary file write in the `S3 Directory` document loader via unsanitized S3 object keys

Why it matters

GitHub has published a reviewed security advisory for flowise-components. Prioritize it with other application dependency updates.

Operator check

Check whether flowise-components is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 7.2.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.