CVE-2026-69253: Flowise Sandbox Escape to Remote Code Execution

# CVE-2026-69253: Flowise Sandbox Escape to Remote Code Execution

https://gcdradar.vercel.app/incidents/cve-2026-69253-flowise-sandbox-escape-to-remote-code-executi · AIR-2026-0887 · closed 2026-08-04

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-08-04
- AI role: Attack on AI
- Products: Flowise, nodevm
- CVE ids: CVE-2026-69253
- CVSS: 9

## Summary

A JavaScript sandbox escape vulnerability in Flowise and nodevm enables attackers to achieve remote code execution. Security updates have been released to remediate the flaw.

## What to do

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

## Latest updates

- 2026-08-04: CVE-2026-69253: Flowise is a drag-and-drop user interface for building customized large language model (LLM) flows. (https://nvd.nist.gov/vuln/detail/CVE-2026-69253)
- 2026-08-04: CVE-2026-69253: Flowise Sandbox Escape to RCE (https://github.com/advisories/GHSA-wg86-r78f-74mp)

## Sources

- 2026-08-04 GitHub Advisory Database: CVE-2026-69253: Flowise Sandbox Escape to RCE https://github.com/advisories/GHSA-wg86-r78f-74mp
- 2026-08-04 NVD: CVE-2026-69253: Flowise is a drag-and-drop user interface for building customized large language model (LLM) flows. https://nvd.nist.gov/vuln/detail/CVE-2026-69253

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