SB2026020951 - Authenticated DoS in n8n
Published: February 9, 2026
Security Bulletin ID
SB2026020951
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2025-49595)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources "/rest/binary-data" endpoint when processing empty filesystem URIs (filesystem:// or filesystem-v2://). A remote privileged user can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.