What is CVE-2026-81687?

CVE-2026-81687 is a medium-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2026-08-27.

How severe is CVE-2026-81687?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Jahlives OpenSSL Encrypt

CVE-2026-81687

openssl_encrypt versions before 1.4.9 fail to enforce a time ceiling on key derivation function iteration counts specified in file metadata. Attackers can craft files with extremely high KDF iteration counts to consume CPU resources for unbounded periods before password verification occurs.

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Jahlives Openssl_encrypt

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

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

Frequently asked questions

What is CVE-2026-81687?: CVE-2026-81687 is a medium-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2026-08-27.
How severe is CVE-2026-81687?: Medium severity. CVSS v3 base score is 5.5 out of 10.