PT-2026-56826 · N8N Io · N8N

Published 2026-07-09 · Updated 2026-07-09 · CVE-2026-59209

Mitre

CVSS v4.0

7.1

High

Base vector

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

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.

Fix

Information Disclosure

Insufficiently Protected Credentials

Weakness Enumeration

CWE-200

CWE-522

Related Identifiers

CVE-2026-59209

Affected Products

N8N

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-59209 · Security Note
• https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4 · Note
• https://github.com/n8n-io/n8n/security/advisories/GHSA-q3j5-8vrg-4p9q · Note
• https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1 · Note