EXPOSURES › CVE-2026-74889
CVE-2026-74889
CRITICAL
DETAIL
SourceNVD · cve
Published2026-08-17
CVSS9.8
Referencehttps://nvd.nist.gov/vuln/detail/CVE-2026-74889 ↗
▸ RECOMMENDED ACTION Critical severity — schedule patching of the affected products.
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.
AFFECTED FEDRAMP PRODUCTS · 0
No correlated FedRAMP products.