CVE-2026-18650

{"id": "CVE-2026-18650", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18650", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-04T15:36:36.693720Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "iletisim@usom.gov.tr", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "iletisim@usom.gov.tr", "affectedData": [{"vendor": "HAVELSAN Inc.", "product": "Liman MYS", "versions": [{"status": "affected", "version": "2.2.3", "lessThan": "2.3.1", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-04T15:16:31.410", "references": [{"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0741", "source": "iletisim@usom.gov.tr"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "iletisim@usom.gov.tr", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "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."}], "lastModified": "2026-08-26T16:51:19.490", "sourceIdentifier": "iletisim@usom.gov.tr"}