CVE-2026-59209 HIGH

CVE-2026-59209: n8n: Shared Credential Header Leak via HTTP Request Pagination Expression

Vendor N8N-Io
Product n8n
Weakness CWE-522 · Insufficiently protected credentials
Published July 9, 2026
Last update July 9, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated member with use-only editor access to a shared workflow could read credential-populated headers exposed via the $request object inside an HTTP Request node's pagination expression and exfiltrate the secret through item data. This issue is fixed in versions 1.123.61, 2.27.4, and 2.28.1.

Key dates

02Disclosure timeline

July 9, 2026 CVE published
July 9, 2026 Record updated