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EUVD-2026-40444

🗓️ 01 Jul 2026 00:34:13Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 29 Views

Stored cross site scripting in n8n Chat Trigger Custom CSS due to sanitize-html misconfig; affects pre 1.123.27, 2.0–2.13.2, and 2.14.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-56356
30 Jun 202622:08
–attackerkb
circl
Circl
CVE-2026-56356
1 Jul 202621:56
–circl
cve
CVE
CVE-2026-56356
30 Jun 202622:08
–cve
cvelist
Cvelist
CVE-2026-56356 n8n - Stored Cross-Site Scripting in Chat Trigger Node Custom CSS Field
30 Jun 202622:08
–cvelist
mend
Mend
CVE-2026-56356
30 Jun 202622:08
–mend
nvd
NVD
CVE-2026-56356
30 Jun 202623:17
–nvd
osv
OSV
GHSA-3C7F-5HGJ-H279 n8n has XSS in Chat Trigger Node through Custom CSS
27 Mar 202618:06
–osv
ptsecurity
Positive Technologies
PT-2026-54040
30 Jun 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-56356: Improper Neutralization of Input During Web Page Generation
30 Jun 202600:00
–rapid7
snyk
Snyk
Cross-site Scripting (XSS)
30 Jun 202623:18
–snyk
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "c6672b7f-6cec-355d-b86c-b8a1039c77a6",
        "vendor": {
          "name": "n8n"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "69b6c3df-9a01-3d34-bd12-f3779543059e",
        "product": {
          "name": "n8n",
          "vendor": {
            "name": "n8n-io"
          }
        },
        "product_version": "2.0.0-rc.0 <2.13.3"
      },
      {
        "id": "9f6a6eae-1ae3-378d-a00d-5e99dbf8a72c",
        "product": {
          "name": "n8n",
          "vendor": {
            "name": "n8n-io"
          }
        },
        "product_version": "0 <2.14.1"
      },
      {
        "id": "a022c454-0145-3ef9-9a68-377b1e46bd29",
        "product": {
          "name": "n8n",
          "vendor": {
            "name": "n8n-io"
          }
        },
        "product_version": "2.14.0 <2.14.1"
      },
      {
        "id": "b4ba7d4e-e159-3a2f-a5e1-e36bd5512df2",
        "product": {
          "name": "n8n",
          "vendor": {
            "name": "n8n-io"
          }
        },
        "product_version": "0 <2.13.3"
      },
      {
        "id": "e0c5fd79-d5d5-3cd9-abbc-76e522c56f38",
        "product": {
          "name": "n8n",
          "vendor": {
            "name": "n8n-io"
          }
        },
        "product_version": "0 <1.123.27"
      }
    ]
  }
]

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01 Jul 2026 00:34Current
5.7Medium risk
Vulners AI Score5.7
CVSS 45.1
CVSS 3.15.4
EPSS0.0025
29