{ "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": "2026-08-04T15:37:47.429Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "shortName": "TR-CERT", "dateUpdated": "2026-08-04T12:38:14.831Z" }, "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": "1.0.4", "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 1.0.4.", "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.
This issue affects pardus-image-writer: before 1.0.4.
" } ] } ], "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" } } ] } }