{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-88916", "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "state": "PUBLISHED", "assignerShortName": "TR-CERT", "dateReserved": "2026-09-10T13:07:47.700Z", "datePublished": "2026-09-24T12:49:44.331Z", "dateUpdated": "2026-09-24T14:42:00.710Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "shortName": "TR-CERT", "dateUpdated": "2026-09-24T12:49:44.331Z"}, "title": "Admin Access Bypass via Header Fallback in T\u00dcB\u0130TAK ULAKB\u0130M's UlakPDF", "datePublic": "2026-09-24T12:47:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-863", "description": "CWE-863 Incorrect Authorization", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "affected": [{"vendor": "T\u00dcB\u0130TAK ULAKB\u0130M", "product": "UlakPDF", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "09092026", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Incorrect Authorization vulnerability in T\u00dcB\u0130TAK ULAKB\u0130M UlakPDF allows Privilege Escalation.\n\nThis issue affects UlakPDF: through 09092026.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Incorrect Authorization vulnerability in T\u00dcB\u0130TAK ULAKB\u0130M UlakPDF allows Privilege Escalation.<p>This issue affects UlakPDF: through 09092026.</p>"}]}], "references": [{"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1170", "tags": ["government-resource"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.8, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"}}], "credits": [{"lang": "en", "value": "Ahmed Emin Ayg\u00f6ren", "type": "finder"}], "source": {"defect": ["TR-26-1170"], "advisory": "TR-26-1170", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-24T14:41:52.048253Z", "id": "CVE-2026-88916", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T14:42:00.710Z"}}]}}