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CVE-2026-118648 n8n before 1.123.85, 2.43.5, and 2.44.1 Stored XSS via Webhook Responses Missing Sandbox Policy

🗓️ 28 Oct 2026 18:59:46Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Stored XSS in n8n webhook responses via missing Content-Security-Policy sandbox.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-118648
28 Oct 202618:59
–cve
euvd
EUVD
EUVD-2026-112379
28 Oct 202618:59
–euvd
nvd
NVD
CVE-2026-118648
28 Oct 202619:17
–nvd
ptsecurity
Positive Technologies
PT-2026-129146
28 Oct 202600:00
–ptsecurity
[
  {
    "vendor": "n8n-io",
    "product": "n8n",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/n8n",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "1.123.85"
      },
      {
        "version": "1.123.85",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  },
  {
    "vendor": "n8n-io",
    "product": "n8n",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/n8n",
    "versions": [
      {
        "version": "2.44.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.44.1"
      },
      {
        "version": "2.44.1",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  },
  {
    "vendor": "n8n-io",
    "product": "n8n",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/n8n",
    "versions": [
      {
        "version": "2.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.43.5"
      },
      {
        "version": "2.43.5",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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28 Oct 2026 18:59Current
CVSS 3.17.3
CVSS 48.4
4