{"id":"CVE-2026-55201","summary":"Evil-WinRM - Path Traversal in download_dir() Function","details":"Evil-WinRM through 3.9, fixed in commit 6ecd570, contains a path traversal vulnerability in the download_dir() function that allows a rogue or compromised remote Windows server to write files outside the intended download directory by returning filenames with traversal sequences from Get-ChildItem command output that are passed unsanitized to File.join(). Attackers controlling the remote server can exploit this to overwrite sensitive client-side files such as SSH authorized_keys or shell configuration files, achieving persistent access or privilege escalation on the client machine.","modified":"2026-07-08T08:11:35.815666527Z","published":"2026-06-17T19:08:47.264Z","database_specific":{"cwe_ids":["CWE-22"],"cna_assigner":"VulnCheck","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55201.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55201.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55201"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/evil-winrm-path-traversal-in-download-dir-function"},{"type":"REPORT","url":"https://github.com/Hackplayers/evil-winrm/pull/81"},{"type":"FIX","url":"https://github.com/Hackplayers/evil-winrm/commit/6ecd570a298562dc72ad73978307eb34182f5850"},{"type":"PACKAGE","url":"https://github.com/Hackplayers/evil-winrm"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hackplayers/evil-winrm","events":[{"introduced":"0"},{"fixed":"84a543cb878d5581ebcfd991a3a709aed8d56473"},{"fixed":"6ecd570a298562dc72ad73978307eb34182f5850"}],"database_specific":{"source":["DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"3.9"}]}}],"versions":["v3.8","v3.7","v3.6","v3.5","v3.4","v3.3","v3.2","v3.1","v3.0","v2.4","v2.3","v2.2","v2.1","v2.0","v1.9","v1.8","v1.7","v1.6","v1.5","v1.4","v1.3","v1.2","v1.1","v1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55201.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}]}