REST API is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed December 24, 2025; most recent activity June 10, 2026.
REST API is an architectural style that exposes HTTP-based endpoints for programmatic access to services and data. It underpins modern web and automation platforms, enabling machine-to-machine communication, integrations, and remote interactions; however, insecure, misconfigured, or exposed REST endpoints can enable remote actions, data exposure, or code execution, making REST APIs a critical cybersecurity risk surface. The recent n8n vulnerability demonstrates how a high-severity RCE flaw in a REST API-enabled automation tool can threaten a large number of servers.
A critical remote code execution vulnerability (CVE-2025-68613) in the n8n workflow automation platform has been disclosed, potentially impacting over 100,000 servers, primarily in the United States. The flaw, which has…
ServiceNow confirmed a data breach on June 9, 2026, after attackers exploited an unauthenticated API endpoint, allowing access to sensitive customer data. The vulnerability, found in the endpoint…