Vulnerability in Jahlives OpenSSL Encrypt
CVE-2026-74888
openssl_encrypt versions before 1.4.0 use a non-standard PBKDF2 key derivation construction with iterations=1 per call in an outer loop, creating a KDF whose security properties have not been formally analyzed. Attackers can exploit this weakened key derivation to more efficiently crack passwords protecting legacy encrypted files compared to standard PBKDF2 implementations.
Vulnerability class: POODLE (CVE-2014-3566)
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Jahlives Openssl_encrypt — versions 0, 1.4.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-74888?
- CVE-2026-74888 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2026-08-17.
- How severe is CVE-2026-74888?
- High severity. CVSS v3 base score is 7.5 out of 10.