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n8n - External Secrets Disclosure via Workflow Node Expressions

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-59254

Published

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.

Source published
15 Jul 2026 11:25:34 UTC
Source modified
15 Jul 2026 13:25:43 UTC
Observed here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 6.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

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Sources read 27 Oct 06:40 UTC · 268 of 272 readable · 267 fully read · documentation 469/469 current