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South Korea raises alert over PHP security flaw

South Korea raised its cyber crisis alert for the private sector from 'interest' to 'caution' on Oct. 22 after two critical vulnerabilities were found in PHP, a language used by about 70% of websites worldwide, Yonhap and KBS World report. The science ministry and the Korea Internet & Security Agency (KISA) notified about 5,900 member companies of the C-TAS threat-sharing system and CISO-obligated firms to take immediate security measures, including checking PHP use and applying updates, according to KBS World. The flaws, rated as 'emergency' in severity, could let attackers seize systems without authentication, Yonhap and Korea Economic Daily report. The national security office also held an emergency meeting of civilian, government, and military officials to coordinate a rapid response, Yonhap adds. Korean media emphasize the urgency, with Dong-A Ilbo noting the alert upgrade and KBS World urging immediate updates, while Korea Times reports the government issued a nationwide alert to businesses and website operators.

  1. PHP security flaws alert Korean government, firms Korea Times · 2026-10-22
  2. S. Korea raises cybersecurity alert level as computer language flaw sparks global security concerns Yonhap · 2026-10-22
  3. Gov’t Calls on Companies to Implement PHP Security Measures amid Cyber Threats KBS World · 2026-10-22
  4. Critical PHP Vulnerabilities Raise Global Cybersecurity Alarm Business Korea · 2026-10-22
  5. 韩政府要求主要企业采取措施防范PHP漏洞 考虑提供紧急补丁 KBS WORLD · 2026-10-22
  6. PHP 보안 취약점 “즉각 업뎃”…정부, 사이버위기경보 ‘주의’ 동아일보 · 2026-10-22
  7. PHP被发现高危安全漏洞 韩国互联网振兴院敦促用户进行安全更新 KBS WORLD · 2026-10-22
  8. 靑, 'PHP 취약점'에 민·관·군 긴급회의…"원팀으로 신속 조치" 연합뉴스 · 2026-10-22
  9. PHP서 치명적 보안 결함 발견…인증 없이 시스템 장악 가능성 한국경제 · 2026-10-21

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