CVE-2026-18650

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.

Overview

State: PUBLISHED
Assigner (CNA): TR-CERT
CVSS severity: HIGH
CVSS score: 8.8 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Effective score: 8.8 / 10 HIGH source: CNA overview
CWE(s): CWE-862
Reserved: 2026-08-03
Published: 2026-08-04 14:02 UTC
Last updated: 2026-08-04 15:37 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/18xxx/CVE-2026-18650.json
Linked Threat: CVE-2026-18650 — Missing Authorization Leading to Root Code Execution in HAVELSAN's Liman MYS

Affected products (1)

Vendor	Product	Versions	Platforms
HAVELSAN Inc.	Liman MYS	`2.2.3` (affected)	—

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0741 government-resource

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-18650.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-18650",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-04T15:36:36.693720Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-04T15:37:01.395Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Liman MYS",
          "vendor": "HAVELSAN Inc.",
          "versions": [
            {
              "lessThan": "2.3.1",
              "status": "affected",
              "version": "2.2.3",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Ahmet Sad\u0131k \u015eAH\u0130NER"
        }
      ],
      "datePublic": "2026-08-04T13:53:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Privilege Escalation.<p>This issue affects Liman MYS: from 2.2.3 before 2.3.1.</p>"
            }
          ],
          "value": "Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Privilege Escalation.\n\nThis issue affects Liman MYS: from 2.2.3 before 2.3.1."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-04T14:02:45.544Z",
        "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "shortName": "TR-CERT"
      },
      "references": [
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0741"
        }
      ],
      "source": {
        "advisory": "TR-26-0741",
        "defect": [
          "TR-26-0741"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Missing Authorization Leading to Root Code Execution in HAVELSAN's Liman MYS",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
    "assignerShortName": "TR-CERT",
    "cveId": "CVE-2026-18650",
    "datePublished": "2026-08-04T14:02:45.544Z",
    "dateReserved": "2026-08-03T11:36:26.396Z",
    "dateUpdated": "2026-08-04T15:37:01.395Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}