Description

n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.

Related CPE's

Could not find any relations

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-866p-xg8v-g2q7

https://www.vulncheck.com/advisories/n8n-before-1.123.83-authorization-bypass-via-execute-sub-workflow-inline-json

Weaknesses

[email protected]

Primary
CWE-639

CVSS impact metrics

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/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

7.1 · High

Information

Source identifier

[email protected]

Vulnerability status

Deferred

Published

2026-10-14T23:17:26.343Z

1 hour ago

Last modified

2026-10-14T23:17:26.450Z

1 hour ago