CVE-2026-44789

CRITICAL EPSS 45.7%
Published Jun 23, 20266d ago · Modified Jun 24, 20265d ago
9.4 CVSS 4.0
Critical
Find Similar
Published Jun 23, 2026 6d ago
Last Modified Jun 24, 2026 5d ago

Description

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, 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. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.

CVSS Details

Base Score
9.4
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
45.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1321

Affected Products 3

VendorProductVersionRange
n8nn8n* <1.123.43
n8nn8n*≥2.0.0  –  <2.20.7
n8nn8n*≥2.21.0  –  <2.22.1

References 1

  • github.com https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h
    MitigationVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.