{"id":"CVE-2026-74900","state":"PUBLISHED","title":"openssl_encrypt before 1.4.0 Weak Shared Secret via PQC Simulation Mode","description":"openssl_encrypt versions before 1.4.0 contain a critical vulnerability in pqc.py where KEM decapsulation failures silently fall back to simulation mode, generating a deterministic shared secret from only 16 bytes of the private key and publicly available encapsulated key data. 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