n8n Has Expression Escape Vulnerability Leading to RCE
CriticalCVE-2026-25049 · Published Feb 4, 2026
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| n8n npm | < 1.123.17 | 1.123.17 |
| >= 2.0.0, < 2.5.2 | 2.5.2 |
Details and references
### Impact Additional exploits in the expression evaluation of n8n have been identified and patched following [CVE-2025-68613](https://github.com/n8n-io/n8n/security/advisories/GHSA-v98v-ff95-f3cp). 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. ### Patches The issue has been fixed in n8n versions 1.123.17 and 2.5.2. Users should upgrade to these versions or later to remediate the vulnerability. ### Workarounds If upgrading is not immediately possible, administrators should consider the following temporary mitigations: - Limit workflow creation and editing permissions to fully trusted users only. - Deploy n8n in a hardened environment with restricted operating system privileges and network access to reduce the impact of potential exploitation. These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures. ### Resources - Best practices for [securing n8n](https://docs.n8n.io/hosting/securing/overview/) - Initial vulnerability advisory: [CVE-2025-68613](https://github.com/n8n-io/n8n/security/advisories/GHSA-v98v-ff95-f3cp) --- n8n has adopted CVSS 4.0 as primary score for all security advisories. CVSS 3.1 vector strings are provided for backward compatibility. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 4.0
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-913
- Also known as
- CVE-2026-25049
More n8n advisories
All n8n| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Feb 4 | n8n's Unsafe Buffer Allocation Allows In-Process Memory Disclosure in Task Runner CVE-2025-61917High7.7fixed in 1.114.3 | High7.7 | 1.114.3 |
| Feb 4 | n8n Vulnerable to Command Injection in Community Package Installation CVE-2026-21893Criticalfixed in 1.120.3 | Critical | 1.120.3 |
| Feb 4 | n8n's Improper CSP Enforcement in Webhook Responses May Allow Stored XSS CVE-2026-25051Highfixed in 1.122.5, 1.123.2 | High | 1.122.5, 1.123.2 |
| Feb 4 | n8n's Improper File Access Controls Allow Arbitrary File Read by Authenticated Users CVE-2026-25052Criticalfixed in 1.123.18, 2.5.0 | Critical | 1.123.18, 2.5.0 |
| Feb 4 | n8n has OS Command Injection in Git Node CVE-2026-25053Criticalfixed in 1.123.10, 2.5.0 | Critical | 1.123.10, 2.5.0 |
| Feb 4 | n8n Has Stored Cross-site Scripting via Markdown Rendering in Workflow UI CVE-2026-25054Highfixed in 1.123.9, 2.2.1 | High | 1.123.9, 2.2.1 |