CVE-2026-118677: n8n-io n8n

n8n before 2.41.4 and 2.42.1 Local Gateway Deep-Link Silent Re-pairing to Attacker Instance

CVSS 5.9 MediumEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: VulnCheck) at 28 Oct 2026, 18:59 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
n8n-io	n8n pkg:npm/n8n	affected 2.42.0 to before 2.42.1 semver unaffected 2.42.1 semver Other versions: unaffected
n8n-io	n8n pkg:npm/n8n	affected before 2.41.4 semver unaffected 2.41.4 semver Other versions: unaffected

Identifiers

CVE-2026-118677

CNA

VulnCheck

Weakness (CWE)

CWE-939

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.9	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N	CNA (VulnCheck)Used for this record
5.9	Medium	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0016, the 5th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

28 Oct 2026, 18:59 UTC Confirmed by the CVE List
28 Oct 2026, 19:17 UTC Confirmed by NVD

Sources

References from the CNA

github.com/n8n-io/n8n/security/advisories/GHSA-cwm2-vhf5-27q9 vendor-advisory
www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-local-gateway-deep-link-silent-re-pairing-to-attacker-instance third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.