{"id":"CVE-2026-6205","aliases":["EUVD-2026-82777","GHSA-357v-8fxm-wwhq"],"status":"published","title":"An external control of file name or path vulnerability in Upload API in Synology DiskStation...","description":"An external control of file name or path vulnerability in Upload API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write arbitrary files and conduct denial-of-service attacks.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/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":0.00518,"percentile":0.44347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-73"],"published":"2026-09-18T08:22:15Z","modified":"2026-09-18T20:17:21Z","products":[{"vendor":"synology","product":"diskstation manager (dsm)"}],"references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_26_13"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6205"},{"url":"https://github.com/advisories/GHSA-357v-8fxm-wwhq"}],"sources":{"cve":[{"id":"CVE-2026-6205","description":"An external control of file name or path vulnerability in Upload API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write arbitrary files and conduct denial-of-service attacks.","status":"published","published":"2026-09-18T08:22:15.549Z","modified":"2026-09-18T19:57:02.255Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-82777","description":"An external control of file name or path vulnerability in Upload API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write arbitrary files and conduct denial-of-service attacks.","status":"published","published":"2026-09-18T08:22:15Z","modified":"2026-09-18T19:57:02Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:06.992666Z"}],"ghsa":[{"id":"GHSA-357v-8fxm-wwhq","title":"An external control of file name or path vulnerability in Upload API in Synology DiskStation...","description":"An external control of file name or path vulnerability in Upload API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write arbitrary files and conduct denial-of-service attacks.","status":"published","published":"2026-09-18T09:31:09Z","modified":"2026-09-18T09:31:21Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T15:12:09.483713Z"}],"nvd":[{"id":"CVE-2026-6205","description":"An external control of file name or path vulnerability in Upload API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write arbitrary files and conduct denial-of-service attacks.","status":"published","published":"2026-09-18T09:16:42.133Z","modified":"2026-09-18T20:17:21.25Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}