A widespread PHP security flaw has impacted Japanese financial institutions, corporates, local governments and government agencies. Cabinet spokesman Kihara said on the morning of the 22nd that no damage reports have been received so far and urged organisations to install patches; the government will closely monitor the situation and take measures as needed. As a precaution, the Ministry of Health, Labour and Welfare and the Ministry of Finance have temporarily suspended public content on parts

2026-10-22

A widespread PHP security flaw has impacted Japanese financial institutions, corporates, local governments and government agencies. Cabinet spokesman Kihara said on the morning of the 22nd that no damage reports have been received so far and urged organisations to install patches; the government will closely monitor the situation and take measures as needed. As a precaution, the Ministry of Health, Labour and Welfare and the Ministry of Finance have temporarily suspended public content on parts of their websites. Japanese cybersecurity-related equities rose; FX and JGB markets showed no significant moves to date.