CVE-2026-103257 n8n - Path Traversal

n8n < 1.123.80, 2.0.0 < 2.39.6, and 2.40.0 < 2.40.1 contain a path traversal caused by improper validation of resource identifiers in the n8n node, letting attackers access unauthorized workflows, executions, and credential secrets, exploit requires crafted resource IDs.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Path Traversal
Impact
Information Disclosure, File System Read
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Published
1 October 2026
Updated
15 October 2026
Weakness
CWE-22

Vendor fix

Update to versions 1.123.80, 2.39.6, 2.40.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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