Eight eMudhra CA Keys Compromised, Triggering Emergency Fixes Across Browsers and Software

Oct 20, 2026

The private keys of eight eMudhra intermediate certificate authority (CA) certificates are compromised, Mozilla and Google’s Chrome Root Program confirms on October 20.

An intermediate CA signs the certificates that websites present, so anyone holding one of these keys could issue a certificate for any website that a browser would accept.

A researcher reported the

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