{"id":"CVE-2026-39993","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-39993","generatedAt":"2026-10-28T02:24:26.337Z","title":"A relative path traversal vulnerability has been reported to affect Download Station.","description":"A relative path traversal vulnerability has been reported to affect Download Station. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data.\n\nWe have already fixed the vulnerability in the following version:\nDownload Station 5.10.2.313 and later\nDownload Station 5.11.3.322 and later","published":"2026-10-15T07:18:00.000Z","lastModified":"2026-10-15T16:32:40.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@qnapsecurity.com.tw","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-23"],"affected":[],"epss":{"score":0.00362,"percentile":0.29732,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00362,"percentile":0.28351}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-15T07:18:00.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-10-15T07:18:00.317Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://www.qnap.com/en/app_releasenotes/list.php?app_choose=DownloadStation","source":"security@qnapsecurity.com.tw"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-39993","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}