High severity · published Oct 1, 2026
CVE-2026-103257
n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal via n8n Node
7.7
CVSS
0.4%
EPSS
No
On KEV
Description
n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a path traversal vulnerability in the n8n node that fails to validate resource identifiers. Attackers can craft malicious resource IDs to redirect API calls to unintended resources, allowing unauthorized access to workflows, executions, and credential secrets within the API key's scope.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n-io
before 1.123.80; 2.0.0 before 2.39.6; 2.40.0 before 2.40.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103257
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103257
vendor-advisory
https://github.com/n8n-io/n8n/security/advisories/GHSA-89p4-6h98-c7xm
third-party-advisory
https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-path-traversal-via-n8n-node
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