Remote Code Execution Vulnerability in n8n Workflow Automation Platform
CVE-2026-86082

7.1HIGH

Key Information:

Vendor

N8n-io

Status
N8n
Vendor
CVE Published:
8 September 2026

What is CVE-2026-86082?

The n8n Workflow Automation Platform has a vulnerability that allows an attacker to exploit improperly enforced credential domain restrictions. This issue specifically affects the OpenAI Chat Model node prior to versions 1.123.76, 2.37.7, and 2.38.2. Attackers can manipulate the workflow editor to set arbitrary host URLs, which can lead to unauthorized access and leakage of sensitive OpenAI API credentials. This vulnerability is now resolved in the indicated versions.

Affected Version(s)

n8n >= 2.38.0, < 2.38.2 < 2.38.0, 2.38.2

n8n >= 2.0.0, < 2.37.7 < 2.0.0, 2.37.7

n8n < 1.123.76 < 1.123.76

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-34...
x_refsource_CONFIRM
https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.76
x_refsource_MISC
https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7
x_refsource_MISC

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.