CVE-2025-56265
N8n remote code execution
- Published8 Sept 2025
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.
References
- https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt
- https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1
- https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2025-56265 being actively exploited?
CVE-2025-56265 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.61%.
How severe is CVE-2025-56265?
CVE-2025-56265 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.61% probability of exploitation.
Which products are affected by CVE-2025-56265?
Affected products include N8n.
How do I fix CVE-2025-56265?
Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2025-56265 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.