What is CVE-2026-74878?

CVE-2026-74878 is a critical-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 9.8/10. Published 2026-08-17.

How severe is CVE-2026-74878?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Resource exhaustion in Jahlives OpenSSL Encrypt

CVE-2026-74878

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.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jahlives Openssl_encrypt — versions 0, 1.4.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-74878?: CVE-2026-74878 is a critical-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 9.8/10. Published 2026-08-17.
How severe is CVE-2026-74878?: Critical severity. CVSS v3 base score is 9.8 out of 10.