CVE-2026-72762: n8n before 1.123.67 Arbitrary File Write via Edit Image Node
n8n versions before 1.123.67, 2.31.5, and 2.32.1 contain an arbitrary file write vulnerability in the Edit Image node, which passes its output format parameter to the underlying image library without validation. An authenticated user able to run workflows can supply a crafted format value to write arbitrary files outside the node's working directory on the n8n instance.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
n8nto a version that resolves this vulnerability.Fixed in 1.123.67 - Upgrade
Upgrade
n8nto a version that resolves this vulnerability.Fixed in 2.31.5 - Upgrade
Upgrade
n8nto a version that resolves this vulnerability.Fixed in 2.32.1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-72762?
The severity of CVE-2026-72762 is rated at 55, indicating a moderate risk level.
How do I fix CVE-2026-72762?
To fix CVE-2026-72762, update n8n to version 1.123.67, 2.31.5, or later.
What types of systems are affected by CVE-2026-72762?
CVE-2026-72762 affects n8n versions prior to 1.123.67, 2.31.5, and 2.32.1.
What can exploit the CVE-2026-72762 vulnerability?
An authenticated user able to run workflows can exploit CVE-2026-72762 by supplying a crafted output format parameter.
What is the nature of the vulnerability in CVE-2026-72762?
CVE-2026-72762 is an arbitrary file write vulnerability due to insufficient validation of an output format parameter.