CVE-2026-73483: Flowise NodeVM sandbox escape via puppeteer configuration

# CVE-2026-73483: Flowise NodeVM sandbox escape via puppeteer configuration

https://gcdradar.vercel.app/incidents/cve-2026-73483-flowise-nodevm-sandbox-escape-via-puppeteer-c · AIR-2026-0259 · closed 2026-08-13

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-08-13 (happened 2026-10-07)
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-73483
- CVSS: 9.4

## Summary

An authenticated sandbox escape in Flowise allows users to execute arbitrary OS commands and read host files using puppeteer launch parameters. The vulnerability impacts versions up to 3.1.2.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-10-07: CVE-2026-73483: Flowise NodeVM sandbox escape via puppeteer allowlist - authenticated RCE and arbitrary file read via Chromium (https://github.com/advisories/GHSA-9gvv-qjj3-2p6g)
- 2026-08-13: CVE-2026-73483: Flowise (packages flowise and flowise-components) in versions <= 3.1.2 contain a sandbox escape in the vm2/@flowiseai/nodevm… (https://nvd.nist.gov/vuln/detail/CVE-2026-73483)

## Sources

- 2026-08-13 NVD: CVE-2026-73483: Flowise (packages flowise and flowise-components) in versions <= 3.1.2 contain a sandbox escape in the vm2/@flowiseai/nodevm… https://nvd.nist.gov/vuln/detail/CVE-2026-73483
- 2026-10-07 GitHub Advisory Database: CVE-2026-73483: Flowise NodeVM sandbox escape via puppeteer allowlist - authenticated RCE and arbitrary file read via Chromium https://github.com/advisories/GHSA-9gvv-qjj3-2p6g

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.