CVE-2026-81703 | BDVDB-2026-365686 Detail

Description#

openssl_encrypt versions before 1.4.9 fail to validate encryption status of embedded post-quantum private keys in file metadata. Attackers can craft files with unencrypted embedded PQC keys that decrypt under any password, bypassing authentication and producing attacker-chosen plaintext with false integrity verification.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-08-27Record published in the CVE List.
2. Version 22026-10-01Most recent update recorded in the CVE List.