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EUVD-2026-42610Published

n8n is an open source workflow automation platform. Prior to 2.27.4 and from 2.28.0 prior to 2.28.1, n8n instances configured with more than one trusted token-exchange issuer resolved external identities to local accounts using only the JWT…

Exact source revision recorded 7 Nov 2026 13:25:00 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

euvd · EUVD-2026-42610

Published

n8n is an open source workflow automation platform. Prior to 2.27.4 and from 2.28.0 prior to 2.28.1, n8n instances configured with more than one trusted token-exchange issuer resolved external identities to local accounts using only the JWT sub claim and ignored the iss claim, allowing an attacker with a valid token from one trusted issuer and a sub matching a victim under another issuer to authenticate as that victim. This issue is fixed in versions 2.27.4 and 2.28.1.

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jul 9, 2026, 3:27:28 PM

dateUpdated: Jul 14, 2026, 12:20:06 AM

1 related source bulletins · separate from aliases

NCSC-2026-0228: Kwetsbaarheden verholpen in n8n workflow automation platform

CVE-2026-59253 · CVE-2026-59257 · CVE-2026-59206 · CVE-2026-59207 · CVE-2026-59208 · CVE-2026-59209

Source published
Jul 9, 2026, 3:27:28 PM (timezone not stated)
Source modified
Jul 14, 2026, 12:20:06 AM (timezone not stated)
Observed here
7 Nov 2026 13:25:00 UTC
Source terms
ENISA EUVD · source terms and attribution apply

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: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.

EUVD CVSS 4.0 · 7.6 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 7 Nov 21:58 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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