{"id":"CVE-2026-90861","title":"Password Disclosure via Activity Logs Enabling Administrator Privilege Escalation in WS_FTP Server","summary":"Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows may expose a user's password in clear text to another administrator, who could use it to gain broader administrative access to the server.","severity":"medium","cvss":6.6,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-532","CWE-522"],"vendor":"Progress Software","product":"WS_FTP Server","affected":["ws_ftp_server < 2024.0.7","ws_ftp_server < 2025.0.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-30T03:56:37.996783Z"},"published":"2026-10-29","updated":"2026-10-30","sourceUpdated":"2026-10-30T17:18:25.273Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90861","references":[{"url":"https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view"}],"tags":["cve.org"],"epss":0.00305,"epssPercentile":0.23382,"ingestedAt":"2026-11-05T16:24:31.174Z","slug":"CVE-2026-90861","body":"## Overview\n\nProgress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows may expose a user's password in clear text to another administrator, who could use it to gain broader administrative access to the server.\n\n## Affected\n\n- `ws_ftp_server < 2024.0.7`\n- `ws_ftp_server < 2025.0.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n### Workarounds\n\nRestrict access to administrative logs to trusted personnel. Avoid changing privileged account passwords through FTP until the fix is applied. Contact Progress Software Technical Support for guidance on available mitigations.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":36.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}