Duplicate Advisory : Flowise allows arbitrary file write to RCE

Severity: critical · CVSS 10 · Published 2026-06-26

### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8vvx-qvq9-5948. This link is maintained to preserve external references.

### Original Description

Flowise contains a path traversal vulnerability in the /api/v1/document-store/loader/process endpoint that allows unauthenticated attackers to write arbitrary files to the filesystem. Attackers can exploit unsanitized fileName parameters with ../ sequences to overwrite critical files like package.json and achieve remote code execution when the application restarts.

Technologies: flowise (npm). Vendors: npm.

Quick answers

Is This vulnerability exploited in the wild?
No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.
How severe is This vulnerability?
Critical severity, with a CVSS score of 10, published 26 June 2026.
Which products and versions are affected?
flowise (npm) <= 2.2.7, SEMVER:introduced=0,last_affected=2.2.7.
Is there a fix for This vulnerability?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected?
Check whether you run flowise (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • flowise (npm) <= 2.2.7, SEMVER:introduced=0,last_affected=2.2.7

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