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Korea Raises Cyber Alert Over Critical PHP Flaws
South Korea has escalated its response to critical vulnerabilities found in PHP, a language used by roughly 70-75% of websites worldwide. On October 22, the science ministry and KISA raised the cyber crisis alert level to '주의' (caution) and urged member companies of its C-TAS system—about 5,900 firms—plus CISO-obligated entities to patch immediately. Two flaws, CVE-2026-109618 (improper handling of exceptional conditions) and a use-after-free issue, are rated 'emergency' severity and could let attackers take over systems without authentication. Yonhap reports the government is considering emergency patches, while KISA advised updating to the latest version. Domestic IT and security firms are responding urgently, with one official saying they are 'treating it seriously.'
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