Flowise is a drag & drop user interface to build a customized large language model flow.

Flowise is a

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, executeJavaScriptCode() accepted caller-provided nodeVMOptions and merged them over the default NodeVM security settings in packages/components/src/utils.ts.

Do this now

Restrict access to your Flowise interface to trusted users until a vendor fix is available.

First seen: 24 Oct 2026
Last update: 24 Oct 2026, 01:17 UTC
Identifiers: CVE-2026-69254
CVSS: 9.4
Source: news

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Flowise is a drag & drop user interface to build a customized large language model flow.
Severity: critical. Patch status: fix status unknown.
Affected: Flowise is a
Ids: CVE-2026-69254

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, executeJavaScriptCode() accepted caller-provided nodeVMOptions and merged them over the default NodeVM security settings in packages/components/src/utils.ts.

## Steps
1. Search the repo, its CI and infra config for Flowise is a. If present, report the version in use and whether it's affected.
2. There is no fix yet. Until one ships: Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, executeJavaScriptCode() accepted caller-provided nodeVMOptions and merged them over the default NodeVM security settings in packages/components/src/utils.ts.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-69254") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://github.com/FlowiseAI/Flowise/commit/3086cb7e323bb96c5a581d3232ef975b0d92183d https://nvd.nist.gov/vuln/detail/CVE-2026-69254
https://pwned.coffee/i/flowise-is-a-drag-drop-user-interface-to-build-a-customi-cve-2026-69254

Timeline

24 Oct 2026, 01:17 UTC
Proof-of-concept code for CVE-2026-69254 is public on GitHub. Unverified, but expect scanning to follow.
24 Oct 2026
First reported.

Sources

Totalone very hot coffee