CVE-2026-54306

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, a prototype pollution vulnerability allowed a crafted public webhook payload to inject attacker-controlled fields into workflow data during internal object copying. These fields could be surfaced and consumed as normal values by downstream built-in nodes. Where a workflow combines a public webhook with action nodes that consume the resulting fields, an attacker could cause the workflow to act as a confused deputy — targeting unintended records or issuing outbound requests using the workflow owner's configured credentials. This vulnerability is fixed in 2.25.7 and 2.26.2.

CVSS

No CVSS.

References

Link	Resource
https://github.com/n8n-io/n8n/security/advisories/GHSA-2vff-hj5x-8gq7

Configurations

No configuration.

History

23 Jun 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-23 17:17

Updated : 2026-06-23 17:57

NVD link : CVE-2026-54306

Mitre link : CVE-2026-54306

CVE.ORG link : CVE-2026-54306

JSON object : View

Products Affected

No product.

CWE

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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