How severe is CVE-2025-56265?

CVE-2025-56265 has a CVSS 3.x base score of 8.8, rated high 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-2025-56265 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56265?

CVE-2025-56265 primarily affects N8n. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-56265?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-56265 have an EU (EUVD) identifier?

Yes. CVE-2025-56265 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27160.

When was CVE-2025-56265 published?

CVE-2025-56265 was published on 2025-09-08 and last updated on 2026-06-17.

CVE-2025-56265

CVE-2025-56265 is a high-severity vulnerability in N8n with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27160
Weakness: CWE-434
Affected product: N8n
Published: 2025-09-08
Last modified: 2026-06-17

Description

An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.

Frequently asked questions

What is CVE-2025-56265?: An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.
How severe is CVE-2025-56265?: CVE-2025-56265 has a CVSS 3.x base score of 8.8, rated high 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-2025-56265 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56265?: CVE-2025-56265 primarily affects N8n. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-56265?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-56265 have an EU (EUVD) identifier?: Yes. CVE-2025-56265 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27160.
When was CVE-2025-56265 published?: CVE-2025-56265 was published on 2025-09-08 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:n8n:n8n:1.95.3:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:1.100.1:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:1.101.1:*:*:*:*:node.js:*:*

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