Description
n8n is an open source workflow automation platform. Prior to versions 1.123.17 and 2.5.2, 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. This issue has been patched in versions 1.123.17 and 2.5.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| n8n-io | n8n | < 1.123.17, < 2.5.2 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
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otakuliu/Expression-Sandbox-Escape-Simulation-Lab ★ 1 · Feb 9, 2026
有关CVE-2026-25049做了一个模拟沙盒来理解
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ashrafzaryouh/CVE-2026-25049 ★ 0 · Apr 21, 2026
CVE-2026-25049
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | n8n | < 1.123.17 | 1.123.17 | GHSA-6cqr-8cfr-67f8 |
| npm | n8n | >= 2.0.0, < 2.5.2 | 2.5.2 | GHSA-6cqr-8cfr-67f8 |
Advisories 2
- WID-SEC-2026-0318 n8n: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 26, 2026
- NCSC-2026-0049 Kwetsbaarheden verholpen in n8n NCSC-NL (Netherlands) · Feb 9, 2026