GHSA-c8xv-5998-g76h

Suggest an improvement
Source
https://github.com/advisories/GHSA-c8xv-5998-g76h
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-c8xv-5998-g76h/GHSA-c8xv-5998-g76h.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-c8xv-5998-g76h
Aliases
  • CVE-2026-44789
Published
2026-05-14T16:17:23Z
Modified
2026-05-14T16:39:56.947031Z
Severity
  • 9.4 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVSS Calculator
Summary
n8n: HTTP Request Node Pagination Prototype Pollution to RCE
Details

Impact

An authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance.

Patches

The issue has been fixed in n8n versions 1.123.43, 2.20.7, and 2.22.1. Users should upgrade to one of these versions or later to remediate the vulnerability.

Workarounds

If upgrading is not immediately possible, administrators should consider the following temporary mitigations: - Limit workflow creation and editing permissions to fully trusted users only. - Disable the HTTP Request node by adding n8n-nodes-base.httpRequest to the NODES_EXCLUDE environment variable.

These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.

n8n has adopted CVSS 4.0 as primary score for all security advisories. CVSS 3.1 vector strings are provided for backwards compatibility.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Database specific 
{
    "github_reviewed_at": "2026-05-14T16:17:23Z",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-1321"
    ],
    "nvd_published_at": null,
    "severity": "CRITICAL"
}
References

Affected packages

npm / n8n

Package

Name
n8n
View open source insights on deps.dev
Purl
pkg:npm/n8n

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.123.43

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-c8xv-5998-g76h/GHSA-c8xv-5998-g76h.json"

npm / n8n

Package

Name
n8n
View open source insights on deps.dev
Purl
pkg:npm/n8n

Affected ranges

Type
SEMVER
Events
Introduced
2.21.0
Fixed
2.22.1

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-c8xv-5998-g76h/GHSA-c8xv-5998-g76h.json"

npm / n8n

Package

Name
n8n
View open source insights on deps.dev
Purl
pkg:npm/n8n

Affected ranges

Type
SEMVER
Events
Introduced
2.0.0-rc.0
Fixed
2.20.7

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-c8xv-5998-g76h/GHSA-c8xv-5998-g76h.json"