SB2026020952 - Improper authorization in n8n workflow execution
Published: February 9, 2026
Security Bulletin ID
SB2026020952
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper authorization (CVE-ID: CVE-2025-52554)
The vulnerability allows a remote user to bypass authorization checks.
The vulnerability exists due to improper authorization in the "/rest/executions/:id/stop" endpoint. A remote authenticated user can stop workflow executions that they do not own or that have not been shared with them.
Remediation
Install update from vendor's website.