What is CVE-2026-77703?

CVE-2026-77703 is a medium-severity vulnerability in Havelsan Inc. Liman Render Engine, classified under Key Exchange without Entity Authentication. CVSS score: 5.9/10. Published 2026-09-24.

How severe is CVE-2026-77703?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Havelsan Inc. Liman Render Engine

CVE-2026-77703

Key exchange without entity authentication vulnerability in HAVELSAN Inc. Liman Render Engine allows Adversary in the Middle (AiTM). This issue affects Liman Render Engine: from 1.0 before 1.2-75.

Published 2026-09-24 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Havelsan Inc. Liman Render Engine

Weakness classification (CWE)

CWE-322 — Key Exchange without Entity Authentication

References

siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1172 (government-resource)

Frequently asked questions

What is CVE-2026-77703?: CVE-2026-77703 is a medium-severity vulnerability in Havelsan Inc. Liman Render Engine, classified under Key Exchange without Entity Authentication. CVSS score: 5.9/10. Published 2026-09-24.
How severe is CVE-2026-77703?: Medium severity. CVSS v3 base score is 5.9 out of 10.