CVE-2026-21858
Hacker uses DeepSeek AI to autonomously attack vulnerable servers
A Chinese-speaking threat actor is using the DeepSeek AI model and the open-source Hermes Agent to conduct autonomous cyberattacks on exposed servers with limited human involvement. The activity was discovered by Palo Alto Networks’ Unit 42 researchers after Hermes accidentally created a web server from its home directory, exposing the attacker’s environment, including API keys, […]
Max severity Ni8mare flaw impacts nearly 60,000 n8n instances
Nearly 60,000 n8n instances exposed online remain unpatched against a maximum-severity vulnerability dubbed “Ni8mare.” n8n is an open-source workflow automation platform that allows users to connect different applications and services via pre-built connectors and a visual, node-based interface to automate repetitive tasks without writing code. The automation platform is widely used in AI development to automate […]
Max severity Ni8mare flaw lets hackers hijack n8n servers
A maximum severity vulnerability dubbed “Ni8mare” allows remote, unauthenticated attackers to take control over locally deployed instances of the N8N workflow automation platform. The security issue is identified as CVE-2026-21858 and has a 10 out of 10 severity score. According to researchers at data security company Cyera, there are more than 100,000 vulnerable n8n servers. n8n is an open-source […]