EUVD-2026-40453Published

n8n - AST Validator Bypass in Python Code Node

cve-program · CVE-2026-56777

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": "2.26.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.26.2"
                        },
                        {
                            "version": "2.26.2",
                            "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": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.25.7"
                        },
                        {
                            "version": "2.25.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

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

euvd · EUVD-2026-40453

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, 10:08:41 PM

dateUpdated: Oct 29, 2026, 9:16:00 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-2026-56777

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-184

Original publisher date fields

published: 2026-06-30T23:17:32.413

lastModified: 2026-10-29T19:17:23.337

1 source CPE criteria · context only

cpe:2.3:a:n8n:n8n:*:*:*:*:*: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-jwm3-qcfw-c5pp

Published

n8n

npm

SEMVER · introduced 2.26.0 → fixed 2.26.2

n8n

npm

SEMVER · introduced 0 → fixed 2.25.7

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