Information Exposure Through an Error Message in n8n - CVE-2026-118643
Published: October 14, 2026 / Updated: November 2, 2026
Vulnerability identifier: #VU155722
CSH Severity: Medium
CVSS v4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118643
CWE-ID: CWE-209
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose a Git credential password or token.
The vulnerability exists due to inclusion of sensitive credential information in error data in the Git node when an operation fails. A remote user can read the stored execution error data to disclose a Git credential password or token.
Exploitation requires permission to view the workflow's executions, but does not require permission to read the credential.
Affected software
n8n
How to mitigate CVE-2026-118643
Install security update from vendor's website.
n8n - addressed in versions 1.123.85, 2.43.5, 2.44.1