Vulnerability details

CVE-2026-72765

n8n-io n8n

n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape

CVSS 4.0

8.7High

Official 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 scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`

Affected products

Vendor	Product	Versions	Source
n8n-io	n8n	v < 2.31.5	CVEProject cvelistV5 (CNA)
n8n-io	n8n	2.32.0 ≤ v < 2.32.1	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/n8n-io/n8n/security/advisories/GHSA-gv7g-jm28-cr3m vendor-advisory
https://www.vulncheck.com/advisories/n8n-before-remote-code-execution-via-expression-sandbox-escape third-party-advisory

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Details

Published: 2026-08-11
Last updated: 2026-10-30
State: Published
Assigner (CNA): VulnCheck

Exploit prediction (EPSS)

0.86%

Probability of exploitation in 30 days

58.7%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-94
Improper Control of Generation of Code ('Code Injection')