High severity7.5NVD Advisory· Published Aug 27, 2026· Updated Sep 23, 2026
CVE-2026-81718
CVE-2026-81718
Description
openssl_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. Attackers who obtain keyfiles or encrypted files can brute-force wrapping passwords offline using GPU or ASIC acceleration.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <1.4.9
Patches
Vulnerability mechanics
References
2News mentions
1- Jahlives Openssl Encrypt: 25 Vulnerabilities Disclosed in Single Batch, Patched in 1.4.9Vypr Intelligence · Aug 27, 2026