8 eMudhra certificates are compromised. Here's what you need to know

October 20, 20268 eMudhra certificates are compromised. Here's what you need to know On October 19, 2026, at approximately 17:00 UTC, Cloudflare became aware that private keys associated with eight eMudhra intermediate certificates were compromised. These certificates were widely trusted by browsers, operating systems, and also within Cloudflare. Because the keys themselves are weak, an attacker c

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弱い鍵を持つeMudhra中間証明書8件の侵害による偽造リスクと、Cloudflareの緩和策、WARP・cloudflared更新や信頼ストア見直しを解説する。