Improper Neutralization of Special Elements in Output Used by a Downstream Component in n8n - #VU140994

 

Improper Neutralization of Special Elements in Output Used by a Downstream Component in n8n - #VU140994

Published: August 5, 2026


Vulnerability identifier: #VU140994
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to improper neutralization of special elements in the Edit Image node Draw Text operation when processing crafted text input. A remote user can inject a new MVG primitive to disclose sensitive information.

Exploitation requires the ability to run workflows and can trigger a blind outbound HTTP request to an attacker-chosen address or open an arbitrary local file.


Affected software

n8n

Remediation

Install security update from vendor's website.

n8n - addressed in versions 1.123.69, 2.33.4, 2.34.1

External References

Related Security Bulletins