GHSA-75qm-gp28-rcq9Published

n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration

cve-program · CVE-2026-59206

Published

n8n

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "n8n-io",
                    "product": "n8n",
                    "versions": [
                        {
                            "version": ">= 2.28.0, < 2.28.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2.0.0-rc.0, < 2.27.4",
                            "status": "affected"
                        },
                        {
                            "version": "< 1.123.61",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-42612

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: Jul 9, 2026, 3:30:28 PM

dateUpdated: Jul 9, 2026, 6:38:07 PM

1 related source bulletins · separate from aliases

NCSC-2026-0228: Kwetsbaarheden verholpen in n8n workflow automation platform

CVE-2026-59253 · CVE-2026-59257 · CVE-2026-59206 · CVE-2026-59207 · CVE-2026-59208 · CVE-2026-59209

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-2026-59206

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-1321

Original publisher date fields

published: 2026-07-09T16:16:46.323

lastModified: 2026-10-25T17:10:00.197

2 source CPE criteria · context only

cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:2.28.0:*:*:*:*: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-75qm-gp28-rcq9

Published

n8n

npm

SEMVER · introduced 0 → fixed 1.123.61

n8n

npm

SEMVER · introduced 2.28.0 → fixed 2.28.1

n8n

npm

SEMVER · introduced 2.0.0-rc.0 → fixed 2.27.4

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