En bref
- CVE-2026-27498 est une vulnérabilité ÉLEVÉE (CVSS 8.8) touchant n8n (n8n), n8n.
- Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 0.82%, plus élevée que 57.1% des vulnérabilités.
- Correctif : mettre à jour vers 2.2.0, 1.123.8 ou plus récent.
| Package | Affected versions | Patched versions |
|---|
| n8n | ≥ 2.0.0, < 2.2.0< 1.123.8
| 2.2.01.123.8
|
| n8n npm | ≥ 2.0.0, < 2.2.0< 1.123.8
| 2.2.01.123.8
|
Description
Impact
An authenticated user with permission to create or modify workflows could chain the Read/Write Files from Disk node with git operations to achieve remote code execution. By writing to specific configuration files and then triggering a git operation, the attacker could execute arbitrary shell commands on the n8n host.
Patches
The issue has been fixed in n8n versions 2.2.0 and 1.123.8. Users should upgrade to one of 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.
- Disable the Read/Write Files from Disk node by adding
n8n-nodes-base.readWriteFile to the NODES_EXCLUDE environment variable.
These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.
NVD description
n8n is an open source workflow automation platform. Prior to versions 2.2.0 and 1.123.8, an authenticated user with permission to create or modify workflows could chain the Read/Write Files from Disk node with git operations to achieve remote code execution. By writing to specific configuration files and then triggering a git operation, the attacker could execute arbitrary shell commands on the n8n host. The issue has been fixed in n8n versions 2.2.0 and 1.123.8. Users should upgrade to one of these versions or later to remediate the vulnerability. If upgrading is not immediately possible, administrators should consider the following temporary mitigations. Limit workflow creation and editing permissions to fully trusted users only, and/or disable the Read/Write Files from Disk node by adding `n8n-nodes-base.readWriteFile` to the `NODES_EXCLUDE` environment variable. These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.
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