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A critical Linux kernel vulnerability known as PwnEscape (CVE-2026-99999) allows guest virtual machines to read host memory, affecting cloud environments including Vercel live sandboxes.
CISA has issued an alert about active exploitation of three Linux kernel vulnerabilities, including one critical severity flaw affecting Linux systems.
CISA has added three critical Linux kernel vulnerabilities with active exploit evidence to its Known Exploited Vulnerabilities catalog, including a severe TLS receive path flaw scored 9.8.
The Iranian group Nimbus Manticore uses recruiter-themed coding tests to distribute Node.js and JavaScript remote access Trojans on Linux and macOS platforms, as reported by Kaspersky.
Researchers identified 14 malicious npm packages that deploy RedC2 4.0, an AI-assisted Linux backdoor, leveraging open-source supply chain compromise for stealthy persistence.