Medium severity · published Jul 15, 2026
CVE-2026-59254
n8n - External Secrets Disclosure via Workflow Node Expressions
6.3
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n
before 2.28.1; before 2.27.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59254
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59254
github.com
https://github.com/n8n-io/n8n/security/advisories/GHSA-2434-3x6q-8r99
www.vulncheck.com
https://www.vulncheck.com/advisories/n8n-external-secrets-disclosure-via-workflow-node-expressions
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