{"id":"CVE-2026-18806","state":"PUBLISHED","title":"Arbitrary Block Device Write via Missing Validation in TÜBİTAK BİLGEM's pardus-image-writer","description":"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.","publishedAt":"2026-08-04T12:38:14.831Z","updatedAt":"2026-08-10T11:33:53.118Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","source":"TR-CERT"},"assigner":"TR-CERT","products":["TÜBİTAK BİLGEM Software Technologies Research Institute pardus-image-writer"],"affected":[{"vendor":"TÜBİTAK BİLGEM Software Technologies Research Institute","product":"pardus-image-writer","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.9.0","versionType":"custom"}]}],"references":["https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0740"],"weaknesses":["CWE-73"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18806.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18806","state":"PUBLISHED","datePublished":"2026-08-04T12:38:14.831Z","dateUpdated":"2026-08-10T11:33:53.118Z","assignerShortName":"TR-CERT","assignerOrgId":"ca940d4e-fea4-4aa2-9a58-591a58b1ce21","dateReserved":"2026-08-04T12:12:44.857Z"},"containers":{"cna":{"title":"Arbitrary Block Device Write via Missing Validation in TÜBİTAK BİLGEM's pardus-image-writer","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."}],"affected":[{"vendor":"TÜBİTAK BİLGEM Software Technologies Research Institute","product":"pardus-image-writer","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.9.0","versionType":"custom"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-73","lang":"en","description":"CWE-73 External control of file name or path","type":"CWE"}]}],"providerMetadata":{"shortName":"TR-CERT","orgId":"ca940d4e-fea4-4aa2-9a58-591a58b1ce21","dateUpdated":"2026-08-10T11:33:53.118Z"},"datePublic":"2026-08-04T12:26:00.000Z","impacts":[{"capecId":"CAPEC-207","descriptions":[{"lang":"en","value":"CAPEC-207 Removing Important Client Functionality"}]}],"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-04T15:37:47.429Z"}}]}}}