Critical severity · published Feb 4, 2026
CVE-2026-25049
n8n Has an Expression Escape Vulnerability Leading to RCE
9.9
CVSS
1.6%
EPSS
No
On KEV
Description
n8n is an open source workflow automation platform. Prior to versions 1.123.17 and 2.5.2, an authenticated user with permission to create or modify workflows could abuse crafted expressions in workflow parameters to trigger unintended system command execution on the host running n8n. This issue has been patched in versions 1.123.17 and 2.5.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n-io
< 1.123.17; < 2.5.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25049
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25049
Patch
https://github.com/n8n-io/n8n/commit/7860896909b3d42993a36297f053d2b0e633235d
Patch
https://github.com/n8n-io/n8n/commit/936c06cfc1ad269a89e8ef7f8ac79c104436d54b
Patch
https://github.com/n8n-io/n8n/security/advisories/GHSA-6cqr-8cfr-67f8
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