How severe is CVE-2026-25115?

CVE-2026-25115 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-2026-25115 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25115?

CVE-2026-25115 affects N8n. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25115?

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-2026-25115 have an EU (EUVD) identifier?

Yes. CVE-2026-25115 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5414.

When was CVE-2026-25115 published?

CVE-2026-25115 was published on 2026-02-04 and last updated on 2026-06-17.

CVE-2026-25115

CVE-2026-25115 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-693.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v4: 9.4
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5414
Weakness: CWE-693
Affected product: N8n
Published: 2026-02-04
Last modified: 2026-06-17

Description

n8n is an open source workflow automation platform. Prior to version 2.4.8, a vulnerability in the Python Code node allows authenticated users to break out of the Python sandbox environment and execute code outside the intended security boundary. This issue has been patched in version 2.4.8.

Frequently asked questions

What is CVE-2026-25115?: n8n is an open source workflow automation platform. Prior to version 2.4.8, a vulnerability in the Python Code node allows authenticated users to break out of the Python sandbox environment and execute code outside the intended security boundary. This issue has been patched in version 2.4.8.
How severe is CVE-2026-25115?: CVE-2026-25115 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-2026-25115 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25115?: CVE-2026-25115 affects N8n. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25115?: 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-2026-25115 have an EU (EUVD) identifier?: Yes. CVE-2026-25115 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5414.
When was CVE-2026-25115 published?: CVE-2026-25115 was published on 2026-02-04 and last updated on 2026-06-17.

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-8398-gmmx-564h

Affected products (1)

cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*

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