Moderate severityNVD Advisory· Published Jul 15, 2026· Updated Jul 15, 2026
n8n - External Secrets Disclosure via Workflow Node Expressions
CVE-2026-59254
Description
n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
n8nnpm | >= 2.28.0, < 2.28.1 | 2.28.1 |
n8nnpm | < 2.27.4 | 2.27.4 |
Affected products
1Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-2434-3x6q-8r99ghsaADVISORY
- github.com/n8n-io/n8n/security/advisories/GHSA-2434-3x6q-8r99ghsavendor-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-59254ghsaADVISORY
- www.vulncheck.com/advisories/n8n-external-secrets-disclosure-via-workflow-node-expressionsghsathird-party-advisoryWEB
- github.com/n8n-io/n8n/releases/tag/n8n%402.27.4ghsaWEB
- github.com/n8n-io/n8n/releases/tag/n8n%402.28.1ghsaWEB
News mentions
0No linked articles in our index yet.