What is CVE-2026-18650?

CVE-2026-18650 is a high-severity vulnerability in Havelsan Inc. Liman Mys, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-08-04.

How severe is CVE-2026-18650?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Havelsan Inc. Liman Mys

CVE-2026-18650

Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Privilege Escalation. This issue affects Liman MYS: from 2.2.3 before 2.3.1.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Havelsan Inc. Liman Mys — versions 2.2.3

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

iletisim@usom.gov.tr (government-resource)

Frequently asked questions

What is CVE-2026-18650?: CVE-2026-18650 is a high-severity vulnerability in Havelsan Inc. Liman Mys, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-08-04.
How severe is CVE-2026-18650?: High severity. CVSS v3 base score is 8.8 out of 10.