CVE-2026-58661

n8n before 2.28.0 and before 1.123.58 on the 1.x branch contains a disk space exhaustion vulnerability in the data-table file upload endpoint. The per-request quota check does not account for files already written to the shared temporary directory, allowing an authenticated user to repeatedly...

CVE-2026-58661 n8n - Disk Space Exhaustion via Data-Table File Upload Endpoint

n8n before 2.28.0 and before 1.123.58 on the 1.x branch contains a disk space exhaustion vulnerability in the data-table file upload endpoint. The per-request quota check does not account for files already written to the shared temporary directory, allowing an authenticated user to repeatedly...

CVE-2026-58661 n8n - Disk Space Exhaustion via Data-Table File Upload Endpoint

n8n before 2.28.0 and before 1.123.58 on the 1.x branch contains a disk space exhaustion vulnerability in the data-table file upload endpoint. The per-request quota check does not account for files already written to the shared temporary directory, allowing an authenticated user to repeatedly...

PT-2026-57181

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.28.0 n8n versions prior to 1.123.58 Description An authenticated user can cause disk space exhaustion via the data-table file upload endpoint. The issue occurs because the per-request quota check fails to account for...