Critical severity9.8NVD Advisory· Published Aug 17, 2026

CVE-2026-74889

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Jahlives/openssl_encryptllm-fuzzy
Range: <1.4.0

Patches

Vulnerability mechanics

References

github.com/jahlives/openssl_encrypt/security/advisories/GHSA-j9mh-57cc-665xnvd
www.vulncheck.com/advisories/openssl-encrypt-before-weak-key-derivation-via-hkdfnvd

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000