CVE-2026-25052
CVE-2026-25052 is a critical-severity vulnerability in N8n with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-367.
Key facts
- Severity: Critical (CVSS 3.x base score 9.9)
- CVSS v4: 9.4
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-5419
- Weakness: CWE-367
- Affected product: N8n
- Published:
- Last modified:
Description
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.
Frequently asked questions
- 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.
- How severe is CVE-2026-25052?
- CVE-2026-25052 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-25052 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-25052?
- CVE-2026-25052 affects N8n. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-25052?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-25052 have an EU (EUVD) identifier?
- Yes. CVE-2026-25052 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5419.
- When was CVE-2026-25052 published?
- CVE-2026-25052 was published on 2026-02-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
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