Missing Authorization Leading to Root Code Execution in HAVELSAN's Liman MYS
Summary
| CVE | CVE-2026-18650 |
|---|---|
| State | PUBLISHED |
| Assigner | TR-CERT |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-04 15:16:31 UTC |
| Updated | 2026-08-26 16:51:19 UTC |
| Description | Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Privilege Escalation. This issue affects Liman MYS: from 2.2.3 before 2.3.1. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.002320000 probability, percentile 0.138760000 (date 2026-08-26)
Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | HAVELSAN Inc. | Liman MYS | affected 2.2.3 2.3.1 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0741 | [email protected] | siberguvenlik.gov.tr | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Ahmet Sadık ŞAHİNER (en)
There are currently no legacy QID mappings associated with this CVE.