CVE-2026-74889

Published: Ago 17, 2026 Last Modified: Ago 17, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

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.

326

Inadequate Encryption Strength

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Confidentiality
Potential Impacts:
Bypass Protection Mechanism Read Application Data
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/jahlives/openssl_encrypt/security/adviso…
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-j9mh-57cc-…
https://www.vulncheck.com/advisories/openssl-encrypt-before…
https://www.vulncheck.com/advisories/openssl-encrypt-before-weak-key-derivation…