by Kastro
Paper/Archive/CVE-2026-25052

CVE-2026-25052

n8n-io n8n — n8n Improper File Access Controls Allow Arbitrary File Read by Authenticated Users

EPSS 0.3%CVSS 9.9
critical.is priorityof 100
35
CVSS 9.9 (NVD)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 26.1.261 × 205.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n8n< 1.123.18–CNA
n8n< 2.5.0–CNA

Scores by source

NVD9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
GitHub_M (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/n8n-io/n8n/security/advisories/GHSA-gfvg-qv54-r4pc