Sources: National Vulnerability Database, CVE.org, CISA KEV, FIRST EPSS
CVE-2026-126384 Overview
n8n before 1.123.89, 2.x before 2.45.5, 2.46.x before 2.46.1, and 3.x before 3.0.1 bundles a GraphicsMagick version with known vulnerabilities in its official Docker image, which the Edit Image node uses to process images. Attackers who can supply crafted untrusted images to an Edit Image workflow, such as one fed by a Webhook node, can execute code on the n8n instance.
Critical Impact
Affected Products
- n8n: see the vendor advisory for the exact affected versions
Discovery Timeline
- 2026-11-13: CVE-2026-126384 published to the National Vulnerability Database by disclosure@vulncheck.com
- 2026-11-13: last updated in the NVD database
Technical Details for CVE-2026-126384
Vulnerability Analysis
CVE-2026-126384 is a Security Vulnerability weakness in n8n. Based on its CVSS vector, the flaw can be reached over the network, needs some level of access, and needs no user interaction.
With a CVSS base score of 7.7 and an EPSS exploitation probability of 0.56 percent, apply the vendor fix and confirm exposure on internet facing and business critical assets first.
Root Cause
The vendor description states: n8n before 1.123.89, 2.x before 2.45.5, 2.46.x before 2.46.1, and 3.x before 3.0.1 bundles a GraphicsMagick version with known vulnerabilities in its official Docker image, which the Edit Image node uses to process images. Attackers who can supply crafted untrusted images to an Edit Image workflow, such as one fed by a Webhook node, can execute code on the n8n instance.
Attack Vector
Based on the CVSS vector, the flaw can be reached over the network, needs some level of access, and needs no user interaction. Attack complexity is low complexity.
No exploitation in the wild is confirmed by CISA at the time of the last update. Check the references below for any vendor or researcher proof of concept.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Detection Methods for CVE-2026-126384
Detection Strategies
- Inventory every instance of n8n and compare the running version with the affected range above.
- Check external attack surface scans for internet facing instances of the component.
- Run an authenticated vulnerability scan once your scanner ships a check for this CVE.
Monitoring Recommendations
- Forward n8n application, access and audit logs to your SIEM for retrospective hunting.
- Alert on new processes, configuration changes or outbound connections from the affected service.
- Track the vendor advisory and the CISA KEV catalog for changes in exploitation status.
How to Mitigate CVE-2026-126384
Immediate Actions Required
- Apply the fixed version of n8n named in the vendor advisory.
- Prioritize internet facing and business critical instances first.
- Rescan after the change to confirm the exposure is closed.
Patch Information
Use the fixed version listed in the vendor advisory for n8n.
Workarounds
- If patching must wait, restrict network access to the affected service and place it behind authentication or a web application firewall rule.
CWE References
No CWE assigned yet.
Technical References
This entry is built directly from NVD, CISA KEV and EPSS data. Verify fixed versions in the vendor advisory before you deploy.
Frequently asked questions
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