CVE-2026-74889Critical· 9.8▾ Midnightopenssl_encrypt versions before 1.4.0 use HKDF with no salt and static info parameter in key normalization functions, reducing entropy extraction and determinism. Attackers can exploit predictable key derivation with identical inputs to …
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 2.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
0.2% → 0.3%
Last analysed / modified upstream
— → 9.8
none → critical
openssl_encrypt versions before 1.4.0 use HKDF with no salt and static info parameter in key normalization functions, reducing entropy extraction and determinism. Attackers can exploit predictable key derivation with identical inputs to weaken cryptographic security against multi-target attacks.
openssl_encrypt < 1.4.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
openssl-encrypt < 1.4.0Patched in:
openssl-encrypt 1.4.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-81718High· 7.5openssl_encrypt versions before 1.4.9 use under-parameterized PBKDF2-HMAC-SHA256 with only 100,000 iterations to protect PQC keyfile private keys and 10,000 iterations for dual-encryption file-password verification
CVE-2026-74870Low· 3.3openssl_encrypt before 1.4.8 Hardware Pepper Information Disclosure
CVE-2026-81680Medium· 4.0openssl_encrypt before 1.4.9 Authentication Bypass via Recovery Slot Removal
CVE-2026-81689High· 7.5openssl_encrypt before 1.4.9 Weak Pepper Key Derivation
CVE-2026-81694Low· 3.3verify-usb before 1.4.9 Output Injection via Unsanitized Filenames
CVE-2026-81702Critical· 9.8openssl_encrypt before 1.4.9 Key Substitution via Identity Load