CVE-2026-74878 — openssl_encrypt before 1.4.0 TOTP Rate Limiter Bypass
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 ca…
Published: 2026-08-17 · CVSS: 9.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7