High severity · published Oct 28, 2026
CVE-2026-118643
n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Exposure via Node Execution Error Data
New
8.2
CVSS
–
EPSS
No
On KEV
Description
n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 stores credential secrets in execution error data when operations fail in the Git, MongoDB Atlas Vector Store, and Google Cloud Storage nodes. Users who can view a workflow's executions but cannot read the credential can recover Git passwords or tokens, MongoDB database passwords, or Google access tokens from that data.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n-io
before 1.123.85; 2.44.0 before 2.44.1; 2.0.0 before 2.43.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-118643
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-118643
vendor-advisory
https://github.com/n8n-io/n8n/security/advisories/GHSA-qmvv-q3c9-wpp7
third-party-advisory
https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-exposure-via-node-execution-error-data
More from n8n
8.8
CVE-2025-68613
n8n Vulnerable to Remote Code Execution via Expression Injection
10.0
CVE-2026-54309
n8n: n8n MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions
10.0
CVE-2026-21858
n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling
9.9
CVE-2026-85165
n8n before 2.36.2 Expression Sandbox Bypass via SpreadElement
9.9
CVE-2026-72765
n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape