{"id":"CVE-2026-18806","aliases":["EUVD-2026-52668","GHSA-55j4-vcvp-5mxf"],"status":"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.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00148,"percentile":0.0407,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-73"],"published":"2026-08-04T12:38:14Z","modified":"2026-10-23T23:10:00Z","products":[{"vendor":"tubitak bilgem software technologies research institute","product":"pardus-image-writer"},{"vendor":"tübitak bilgem software technologies research institute","product":"pardus-image-writer"}],"references":[{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0740","tags":["government-resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18806"},{"url":"https://github.com/advisories/GHSA-55j4-vcvp-5mxf"}],"sources":{"cve":[{"id":"CVE-2026-18806","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.","status":"published","published":"2026-08-04T12:38:14.831Z","modified":"2026-08-10T11:33:53.118Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:20:12.60856Z"}],"euvd":[{"id":"EUVD-2026-52668","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.","status":"published","published":"2026-08-04T12:38:14Z","modified":"2026-08-10T11:33:53Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:06.086083Z"}],"ghsa":[{"id":"GHSA-55j4-vcvp-5mxf","title":"External control of file name or path vulnerability in TÜBİTAK BİLGEM Software Technologies...","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 1.0.4.","status":"published","published":"2026-08-04T15:32:22Z","modified":"2026-08-04T15:32:29Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T15:10:05.423688Z"}],"nvd":[{"id":"CVE-2026-18806","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.","status":"published","published":"2026-08-04T13:17:36.54Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:12:34.643497Z"}]}}