CVE-2026-111943: eMudhra intermediate CA key recovery in AWS trust bundles
// AI summary
AWS identified CVE-2026-111943, a key-generation flaw at eMudhra making intermediate CA private keys recoverable in three affected roots within AWS-owned trust bundles.
// from the source
Bulletin ID: 2026-150-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/24/2026 20:00 PM PDT Summary: AWS identified CVE-2026-111943, a key-generation flaw at external CA eMudhra/emSign that made intermediate CA private keys recoverable. Three roots are affected: AAA Certificate Services, emSign Root TLS CA - G3, and emSign ECC Root CA - G3. They shipped in AWS-owned trust bundles, exposing soft-fail TLS clients to man-in-the-middle risk. AWS is removing the roots.