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VulnerabilityCVE-2026-25052Published 2026-02-04

CVE-2026-25052 — N8n

critical

As of 2026-02-05, CVE-2026-25052 is a CRITICAL-severity vulnerability in N8n, CVSS v3.1 9.9, EPSS 0.0% (5.0th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-25052, most recently “n8n Multi-CVE Vulnerability Cascade — Expression Sandbox Escape, Pyodide RCE, Arbitrary File Write, Command Injection (9 CVEs, 2× CVSS 10.0)”.

CVSS v3.1
9.9/10Critical
EPSS
0.0%Higher than 5.0% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
5.2/10Threadlinqs triage score
Published
Updated 2026-02-05
CVSS v3.1 9.9 (CRITICAL) · CVSS v4.0 9.4 · EPSS 0.0% (higher than 5.0% of all scored CVEs) · Priority 5.2/10 · Published 2026-02-04

Last updated:

What is CVE-2026-25052?

n8n is an open source workflow automation platform. Prior to versions 1.123.18 and 2.5.0, a vulnerability in the file access controls allows authenticated users with permission to create or modify workflows to read sensitive files from the n8n host system. This can be exploited to obtain critical configuration data and user credentials, leading to complete account takeover of any user on the instance. This issue has been patched in versions 1.123.18 and 2.5.0.

The record classifies CVE-2026-25052 under weakness classes CWE-367, NVD-CWE-Other. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 243 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9.9 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0 base score
9.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (FIRST)
0.0% probability of exploitation in the next 30 days, higher than 5.0% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
5.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-02-04, last modified 2026-02-05

Is CVE-2026-25052 being exploited?

It currently carries a trending score of 6 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-25052

The record marks a vendor fix as available for CVE-2026-25052. Patch reference: https://github.com/n8n-io/n8n/security/advisories/GHSA-gfvg-qv54-r4pc. Vendor advisory: https://github.com/n8n-io/n8n/security/advisories/GHSA-gfvg-qv54-r4pc. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-25052

1 tracked threat in the Threadlinqs corpus references CVE-2026-25052, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.