CVE-2026-18650
Received Received - Intake

Privilege Escalation in Liman MYS Due to Missing Authorization

Publication date: 2026-08-04

Last updated on: 2026-08-04

Assigner: Computer Emergency Response Team of the Republic of Turkey

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.

CVSS Scores

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Meta Information

Published
2026-08-04
Last Modified
2026-08-04
Generated
2026-08-04
AI Q&A
2026-08-04
EPSS Evaluated
N/A
NVD
CVE-2026-18650
EUVD
EUVD-2026-52691

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
havelsan liman_mys From 2.2.3 (inc) to 2.3.1 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This is a Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS software versions 2.2.3 through 2.3.0. It allows an authenticated user to escalate their privileges due to improper access controls.

Impact Analysis

An attacker with basic access could exploit this to gain higher privileges, potentially allowing them to take control of the system, steal data, or disrupt operations. The high CVSS score indicates significant risk.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance may result in legal penalties.

Mitigation Strategies

Update Liman MYS to version 2.3.1 or later to address the missing authorization vulnerability. Ensure proper access controls are enforced to prevent privilege escalation.

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