CVE-2026-44789

CRITICAL
INFO Priority: 0.05 BB Relevance: 69/100
Published: 2026-06-23 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

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.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
n8n n8n < 1.123.43
n8n n8n 2.0.0 – 2.20.7
n8n n8n 2.21.0 – 2.22.1

References & Advisories (1)

Bug Bounty Relevance

69 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

9.4 / 10.0 v4.0
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

EPSS — Exploitation Probability

0.53%
Raw Score 0.005290
Percentile 44.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00529
2026-10-28
0.00529

Intelligence Sources

nvd ref →