The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent alert regarding a newly identified Linux kernel vulnerability, tracked as CVE-2026-31431, which is actively being exploited in the wild. The flaw has been added to CISA’s Known Exploited Vulnerabilities (KEV) catalog, signaling immediate risk to organizations worldwide. Vulnerability Overview CVE-2026-31431 is classified as […] The post CISA Warns of Linux Kernel Zero-Day Vulnerability Exploited in Active Attacks appeared first on Cyber Security News.