ByteOS Network

CVE Vulnerability Details :

CVE-2026-44789

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-23 Jun, 2026 | 15:52

Updated At-23 Jun, 2026 | 15:52

▼CVE Numbering Authority (CNA)

n8n: HTTP Request Node Pagination Prototype Pollution to RCE

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.

Affected Products

Vendor

n8n-io

Product

n8n

Versions

Affected

< 1.123.43
>= 2.0.0-rc.0, < 2.20.7
>= 2.21.0, < 2.21.1

Problem Types

Type	CWE ID	Description
CWE	CWE-1321	CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Type: CWE

CWE ID: CWE-1321

Description: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Metrics

Version	Base score	Base severity	Vector
4.0	9.4	CRITICAL	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

Version: 4.0

Base score: 9.4

Base severity: CRITICAL

Vector:

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

References

Hyperlink	Resource
https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h	x_refsource_CONFIRM

Hyperlink: https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h

Resource:

x_refsource_CONFIRM

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Affected

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