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CVE-2026-86994 n8n: Cross-User Active Workflow ID and Lifecycle Event Disclosure via Missing userId Filter

🗓️ 08 Sep 2026 21:18:43Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Cross-user workflow ID and lifecycle event disclosure in n8n via missing userId filter.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-86994
8 Sep 202621:18
cve
euvd
EUVD
EUVD-2026-74269
8 Sep 202621:18
euvd
nvd
NVD
CVE-2026-86994
8 Sep 202622:19
nvd
ptsecurity
Positive Technologies
PT-2026-88503
8 Sep 202600:00
ptsecurity
[
  {
    "vendor": "n8n-io",
    "product": "n8n",
    "versions": [
      {
        "version": ">= 2.38.0, < 2.38.2",
        "status": "affected"
      },
      {
        "version": ">= 2.0.0, < 2.37.7",
        "status": "affected"
      },
      {
        "version": "< 1.123.76",
        "status": "affected"
      }
    ]
  }
]

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