eMudhra Certificate flaw: Could some websites stop working after October 27?

India's Computer Emergency Response Team (CERT-In) issued security advisory CIAD-2026-0050 on October 21, 2026, highlighting a serious vulnerability involving eMudhra's international website-certificate infrastructure. Eight intermediate Certificate Authority (CA) certificates had private keys generated with insufficient cryptographic randomness, making the keys recoverable from their corresponding public keys. Google, Mozilla and Apple have taken measures to block the affected certificates and