{"id":"CVE-2026-39993","title":"A relative path traversal vulnerability has been reported to affect Download Station","summary":"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 al…","severity":"high","cvss":8.7,"cvssVector":"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","cwe":["CWE-23"],"vendor":"QNAP Systems Inc.","product":"Download Station","affected":["download_station >= 5.10.x < 5.10.2.313","download_station >= 5.11.x < 5.11.3.322"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T08:16:37.903","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-39993","references":[{"url":"https://www.qnap.com/en/app_releasenotes/list.php?app_choose=DownloadStation","label":"security@qnapsecurity.com.tw"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-10-15T07:57:27.849Z","slug":"CVE-2026-39993","body":"## Overview\n\nA 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":222108,"id":"CVE-2026-39993","ts":1792054752877,"field":"cvss","old":"6.3","new":"8.7"},{"seq":222107,"id":"CVE-2026-39993","ts":1792054752877,"field":"severity","old":"medium","new":"high"}]}