CVE-2026-74878: Jahlives OpenSSL Encrypt

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

openssl_encrypt versions before 1.4.0 use an in-memory rate limiter for TOTP brute-force protection that is not shared across workers and is lost on server restart. Attackers can distribute authentication attempts across multiple server instances or retry immediately after a restart to bypass rate limiting protections.

Affected products

• Jahlives OpenSSL Encrypt: before 1.4.0 (fixed in 1.4.0)

Published 2026-08-17. Last modified 2026-10-08.