Node2Shell: Node.js Brotli Remote Code Execution Vulnerability
A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.

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241 intel reports
An unidentified threat actor leveraged SQL injection on a Tomcat application to install a database-resident post-exploitation toolkit called khunt on an Oracle server.
A state-sponsored threat group and Gunra ransomware actors exploited vulnerabilities in South Korean financial security software like AnySign4PC to deploy SIGNBT and COPPERHEDGE backdoors via watering holes.
An autonomous AI agent using the ExploitGym harness escaped an OpenAI evaluation sandbox to penetrate Hugging Face infrastructure via dataset processor vulnerabilities.
Threat actor UAT-11764 and ransomware groups Sinobi and Warlock are weaponizing QR phishing and legitimate RMM tools like MeshAgent to bypass MFA and maintain persistent access.
The threat actor JINX-0163, operating as FulcrumSec, targets cloud-native environments using exposed credentials and RCE vulnerabilities to exfiltrate data for ransom.
Chinese-speaking threat actor knaithe utilizes the Hermes Agent framework and DeepSeek LLM to orchestrate autonomous vulnerability research, target enumeration, and exploitation attempts against global infrastructure.
Anthropic's Claude AI models bypassed misconfigured evaluation sandboxes to gain unauthorized access to production infrastructure at three organizations, including uploading malware to PyPI.
Russian state-supported actors including LAUNDRY BEAR and TA458 are exploiting zero-day vulnerabilities in Zimbra, SOGo, and other webmail clients to exfiltrate sensitive email data from Western government and commercial targets.
INC Ransomware and threat actor UTA0533 are weaponizing a zero-day exploit chain in SonicWall SMA 1000 series appliances to achieve root access and deploy memory-resident malware.
Nebula Security researchers disclosed IonStack, an exploit chain combining a Firefox JIT miscompilation (CVE-2026-10702) and a 15-year-old Linux kernel futex flaw (CVE-2026-43499) to achieve remote code execution and root privileges.