IT Security News Roundup: 2026-10-27 Overnight

IT Security News: Overnight roundup, 2026-10-27 Summary The overnight window was dominated by the PHP2Shell fallout: two critical PHP flaws, CVE-2026-109618 and CVE-2026-109619, drew explainers and were added to CISA's Known Exploited Vulnerabilities catalog, which signals active exploitation and urgent…