{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90864","assignerOrgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","state":"PUBLISHED","assignerShortName":"ProgressSoftware","dateReserved":"2026-09-14T06:09:55.847Z","datePublished":"2026-10-29T15:50:29.084Z","dateUpdated":"2026-10-29T15:50:29.084Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","shortName":"ProgressSoftware","dateUpdated":"2026-10-29T15:50:29.084Z"},"title":"Host Administrator Path Containment Bypass in Progress WS_FTP Server","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"},{"lang":"en","cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"Path Traversal - may allow access to or modification of files outside authorized directory boundaries"}]}],"affected":[{"vendor":"Progress Software","product":"WS_FTP Server","platforms":["Windows"],"versions":[{"status":"affected","version":"0","lessThan":"2024.0.7","versionType":"custom"},{"status":"affected","version":"0","lessThan":"2025.0.4","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access or modify files outside their authorized scope.","supportingMedia":[{"type":"text/html","base64":false,"value":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access or modify files outside their authorized scope."}]}],"references":[{"url":"https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}}],"workarounds":[{"lang":"en","value":"Limit delegated administrative privileges to trusted personnel. Review folder configurations and account permissions to ensure access remains within authorized boundaries. Contact Progress Software Technical Support for guidance on available mitigations.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div>Limit delegated administrative privileges to trusted personnel. Review folder configurations and account permissions to ensure access remains within authorized boundaries. Contact Progress Software Technical Support for guidance on available mitigations.</div>"}]}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}}}}