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CVE-2026-56777 n8n - AST Validator Bypass in Python Code Node

🗓️ 30 Jun 2026 22:08:41Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2026-56777: Authenticated bypass of the Python Code node AST validator on self-hosted instances with Python Task Runner, exposing environment

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-56777
30 Jun 202622:08
cve
EUVD
EUVD-2026-40453
1 Jul 202600:34
euvd
NVD
CVE-2026-56777
30 Jun 202623:17
nvd
Positive Technologies
PT-2026-54049
30 Jun 202600:00
ptsecurity
[
  {
    "vendor": "n8n",
    "product": "n8n",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/n8n",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.26.2"
      },
      {
        "version": "2.26.2",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  },
  {
    "vendor": "n8n",
    "product": "n8n",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/n8n",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.25.7"
      },
      {
        "version": "2.25.7",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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