SB2026020960 - Remote code execution in n8n expression evaluation
Published: February 9, 2026
Security Bulletin ID
SB2026020960
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Control of Dynamically-Managed Code Resources (CVE-ID: CVE-2026-25049)
CWE-ID: CWE-913 - Improper Control of Dynamically-Managed Code Resources
CVSSv4: 8.7 [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]
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to an incomplete fix in the expression evaluation for #VU120269 (CVE-2025-68613). A remote 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.
Remediation
Install update from vendor's website.