CVE-2026-72765 — CRITICAL (9.9)

Q: How severe is CVE-2026-72765?

CVE-2026-72765 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-72765?

Check the references section above for vendor advisories and patch information. Affected products include: N8N N8N.

Vulnerability 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 Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
N8N	N8N	>= 2.31.0, < 2.31.5

Related Weaknesses (CWE)

CWE-94

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-gv7g-jm28-cr3mMitigationVendor Advisory
https://www.vulncheck.com/advisories/n8n-before-remote-code-execution-via-expresThird Party Advisory

FAQ

What is CVE-2026-72765?

CVE-2026-72765 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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 arr...

How severe is CVE-2026-72765?

CVE-2026-72765 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-72765?

Check the references section above for vendor advisories and patch information. Affected products include: N8N N8N.