What is CVE-2026-81693?

CVE-2026-81693 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under CWE-789. CVSS score: 7.5/10. Published 2026-08-27.

How severe is CVE-2026-81693?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Jahlives OpenSSL Encrypt

CVE-2026-81693

openssl_encrypt before 1.4.9 fails to validate the total field from QR JSON payloads before materializing ranges. Attackers can supply crafted QR images with extremely large total values to trigger unbounded memory allocation and cause denial of service through out-of-memory conditions.

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:N/I:N/A:H.

Affected products

Jahlives Openssl_encrypt

Weakness classification (CWE)

CWE-789

References

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

Frequently asked questions

What is CVE-2026-81693?: CVE-2026-81693 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under CWE-789. CVSS score: 7.5/10. Published 2026-08-27.
How severe is CVE-2026-81693?: High severity. CVSS v3 base score is 7.5 out of 10.