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VulnerabilityCVE-2026-54302Published 2026-06-23

CVE-2026-54302 — n8n-io n8n

high (derived)

As of 2026-06-23, CVE-2026-54302 is a High-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in n8n-io n8n, CVSS v4.0 7, EPSS 0.3% (28.4th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-54302 as of 2026-06-23; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

CVSS v4.0
7/10High (derived)
EPSS
0.3%Higher than 28.4% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
0None linked yet
Priority
4.6/10Threadlinqs triage score
Published
CVSS v4.0 7 (High, derived from score) · EPSS 0.3% (higher than 28.4% of all scored CVEs) · Priority 4.6/10 · Published 2026-06-23

Last updated:

What is CVE-2026-54302?

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, an authenticated user with workflow edit access could inject arbitrary JavaScript into the Chat Trigger's generated page by setting a malicious webhookId. When a logged-in user visited the chat URL, the injected code executed in the n8n origin with that user's session privileges. This vulnerability is fixed in 1.123.55, 2.25.7, and 2.26.2.

The record classifies CVE-2026-54302 under weakness class CWE-79. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 104 days ago.

Severity and exploitation probability

CVSS v4.0 base score
7 — High (derived from score)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS (FIRST)
0.3% probability of exploitation in the next 30 days, higher than 28.4% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
4.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-06-23

Is CVE-2026-54302 being exploited?

It currently carries a trending score of 36 in the Threadlinqs vulnerability feed.

Affected products and versions

Affected software packages:

  • npm:n8n — patched in 1.123.55
  • npm:n8n — patched in 2.26.2
  • npm:n8n — patched in 2.25.7

How to fix CVE-2026-54302

Fixed versions are recorded for 3 packages: npm:n8n 1.123.55, npm:n8n 2.26.2, npm:n8n 2.25.7. No vendor patch reference has been recorded for CVE-2026-54302 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-54302

No threat campaign in the Threadlinqs corpus currently references CVE-2026-54302, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch