CVE-2026-16999

{"id": "CVE-2026-16999", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16999", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-12T18:47:07.671400Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "iletisim@usom.gov.tr", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 1.8}]}, "affected": [{"source": "iletisim@usom.gov.tr", "affectedData": [{"vendor": "Ministry of Justice", "product": "UYAP Document Editor", "versions": [{"status": "affected", "version": "4.5.17", "lessThan": "5.4.17", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-12T14:17:47.890", "references": [{"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0818", "source": "iletisim@usom.gov.tr"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "iletisim@usom.gov.tr", "description": [{"lang": "en", "value": "CWE-611"}]}], "descriptions": [{"lang": "en", "value": "Improper restriction of XML external entity reference vulnerability in Ministry of Justice UYAP Document Editor allows Serialized Data External Linking.\n\nThis issue affects UYAP Document Editor: from 4.5.17 before 5.4.17."}], "lastModified": "2026-08-26T16:51:19.490", "sourceIdentifier": "iletisim@usom.gov.tr"}