Resource exhaustion in n8n - CVE-2025-49595
Published: February 9, 2026
Vulnerability identifier: #VU122472
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-49595
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
n8n
How to mitigate CVE-2025-49595
Install updates from vendor's website.
n8n - update to 1.99.0