openssl_encrypt before 1.4.0 Unverified Key Bundle Encryption
openssl_encrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.from_dict() that creates key bundles from untrusted data without verifying signatures. Attackers can call from_dict() followed by to_identity() without signature verification to encrypt data using attacker-controlled public keys, leaking s…
Severity critical: primary CNA CVSS 9.3 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-08-17T11:04:44.249Z. Updated 2026-10-08T15:24:49.937Z.