Critical severity · published Aug 11, 2026
CVE-2026-72765
n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape
9.9
CVSS
0.9%
EPSS
No
On KEV
Description
n8n before 2.31.5 and before 2.32.1 contain a sandbox escape vulnerability in expression evaluation. An authenticated user with permission to create or modify workflows can craft expressions using arrow-function bodies to bypass the expression sandbox, triggering system command execution on the host running n8n. The issue is fixed in versions 2.31.5 and 2.32.1.
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)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n-io
before 2.32.1; before 2.31.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-72765
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-72765
Mitigation
https://github.com/n8n-io/n8n/security/advisories/GHSA-gv7g-jm28-cr3m
Third Party Advisory
https://www.vulncheck.com/advisories/n8n-before-remote-code-execution-via-expression-sandbox-escape
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