GHSA-99wx-hwrx-8g4wPublished

n8n - Stored Cross-Site Scripting in Chat Trigger Node Custom CSS Field

cve-program · CVE-2026-56356

Published

n8n

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "n8n",
                    "product": "n8n",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/n8n",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "1.123.27"
                        },
                        {
                            "version": "1.123.27",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "2.0.0-rc.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.13.3"
                        },
                        {
                            "version": "2.13.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "2.14.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.14.1"
                        },
                        {
                            "version": "2.14.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

n8n

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "n8n",
                    "product": "n8n",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/n8n",
                    "versions": [
                        {
                            "version": "2.14.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.14.1"
                        },
                        {
                            "version": "2.14.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

n8n

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "n8n",
                    "product": "n8n",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/n8n",
                    "versions": [
                        {
                            "version": "2.0.0-rc.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.13.3"
                        },
                        {
                            "version": "2.13.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-40444

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jun 30, 2026, 10:08:35 PM

dateUpdated: Oct 29, 2026, 9:15:46 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-56356

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-79

Original publisher date fields

published: 2026-06-30T23:17:30.997

lastModified: 2026-10-29T19:17:22.517

2 source CPE criteria · context only

cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:2.14.0:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-3c7f-5hgj-h279

Published

n8n

npm

SEMVER · introduced 0 → fixed 1.123.27

n8n

npm

SEMVER · introduced 2.14.0 → fixed 2.14.1

1 explicitly affected versions

2.14.0

n8n

npm

SEMVER · introduced 2.0.0-rc.0 → fixed 2.13.3

Original source record · Cite this exact observation · Complete original publisher JSON