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CVE-2026-59206 n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration

🗓️ 09 Jul 2026 15:30:28Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Prototype pollution in n8n enables unauthenticated access and user and project enumeration.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-59206
9 Jul 202615:30
attackerkb
Circl
CVE-2026-59206
9 Jul 202615:59
circl
CVE
CVE-2026-59206
9 Jul 202615:30
cve
EUVD
EUVD-2026-42612
9 Jul 202615:30
euvd
NVD
CVE-2026-59206
9 Jul 202616:16
nvd
Positive Technologies
PT-2026-56815
9 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-59206 n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration
9 Jul 202615:30
vulnrichment
[
  {
    "vendor": "n8n-io",
    "product": "n8n",
    "versions": [
      {
        "version": ">= 2.28.0, < 2.28.1",
        "status": "affected"
      },
      {
        "version": ">= 2.0.0-rc.0, < 2.27.4",
        "status": "affected"
      },
      {
        "version": "< 1.123.61",
        "status": "affected"
      }
    ]
  }
]

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