Incorrect authorization in n8n - CVE-2026-118675
Published: November 9, 2026 / Updated: November 10, 2026
Vulnerability identifier: #VU163081
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118675
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an authenticated editor of a shared workflow to obtain decrypted credentials belonging to the workflow's project without authorization.
The vulnerability exists due to n8n's save-time credential checks not inspecting sub-workflows loaded at runtime by the Execute Sub-workflow node from a URL or local file. An authenticated editor of a shared workflow can supply such a sub-workflow to resolve project credentials and receive their decrypted values.
Affected software
n8n
How to mitigate CVE-2026-118675
Install security update from vendor's website.
n8n - addressed in versions 1.123.85, 2.43.5, 2.44.1