Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jahlives | Openssl Encrypt | < 1.4.0 |
Related Weaknesses (CWE)
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-j9mh-57cc-6MitigationVendor Advisory
- https://www.vulncheck.com/advisories/openssl-encrypt-before-weak-key-derivation-Third Party Advisory
FAQ
What is CVE-2026-74889?
CVE-2026-74889 is a vulnerability with a CVSS score of 9.8 (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...
How severe is CVE-2026-74889?
CVE-2026-74889 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-74889?
Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.