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CVE-2026-18650— Missing Authorization Leading to Root Code Execution in HAVELSAN's Liman MYS

Quick assessment

Affected
HAVELSAN Inc. Liman MYS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HAVELSAN Liman MYS是HAVELSAN公司的一个集中式信息技术管理系统。 Liman MYS 2.2.3版本至2.3.1之前版本存在授权问题漏洞，该漏洞源于缺少授权，可能导致权限提升。

CVSS 8.8 · High EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
HAVELSAN Inc. Liman MYS 2.2.3< 2.3.1 affected
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I. Basic Information for CVE-2026-18650

Vulnerability Information
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Vulnerability Title
Missing Authorization Leading to Root Code Execution in HAVELSAN's Liman MYS
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
HAVELSAN Liman MYS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HAVELSAN Liman MYS是HAVELSAN公司的一个集中式信息技术管理系统。 Liman MYS 2.2.3版本至2.3.1之前版本存在授权问题漏洞，该漏洞源于缺少授权，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HAVELSAN Inc. Liman MYS 2.2.3 ~ 2.3.1 -

II. Public POCs for CVE-2026-18650

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III. Intelligence Information for CVE-2026-18650

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Vendor Advisories for CVE-2026-18650 (1)

IV. Related Vulnerabilities

Same product: Liman MYS
Same vendor: HAVELSAN Inc.
Same weakness: CWE-862

V. Comments for CVE-2026-18650

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