{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18806","assignerOrgId":"ca940d4e-fea4-4aa2-9a58-591a58b1ce21","state":"PUBLISHED","assignerShortName":"TR-CERT","dateReserved":"2026-08-04T12:12:44.857Z","datePublished":"2026-08-04T12:38:14.831Z","dateUpdated":"2026-08-10T11:33:53.118Z"},"containers":{"cna":{"providerMetadata":{"orgId":"ca940d4e-fea4-4aa2-9a58-591a58b1ce21","shortName":"TR-CERT","dateUpdated":"2026-08-10T11:33:53.118Z"},"title":"Arbitrary Block Device Write via Missing Validation in TÜBİTAK BİLGEM's pardus-image-writer","datePublic":"2026-08-04T12:26:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-73","description":"CWE-73 External control of file name or path","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-207","descriptions":[{"lang":"en","value":"CAPEC-207 Removing Important Client Functionality"}]}],"affected":[{"vendor":"TÜBİTAK BİLGEM Software Technologies Research Institute","product":"pardus-image-writer","versions":[{"status":"affected","version":"0","lessThan":"0.9.0","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"External control of file name or path vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute pardus-image-writer allows Removing Important Client Functionality.\n\nThis issue affects pardus-image-writer: before 0.9.0.","supportingMedia":[{"type":"text/html","base64":false,"value":"External control of file name or path vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute pardus-image-writer allows Removing Important Client Functionality.<p>This issue affects pardus-image-writer: before 0.9.0.</p>"}]}],"references":[{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0740","tags":["government-resource"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"}}],"credits":[{"lang":"en","value":"Emirhan YÜCEL","type":"finder"}],"source":{"defect":["TR-26-0740"],"advisory":"TR-26-0740","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-04T15:37:37.919419Z","id":"CVE-2026-18806","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-04T15:37:47.429Z"}}]}}