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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "WS_FTP Server", "vendor": "Progress Software", "versions": [{"lessThan": "2024.0.7", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "2025.0.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "security@progress.com"}], "cveTags": [], "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."}], "id": "CVE-2026-90864", "lastModified": "2026-10-29T16:24:53.840", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security@progress.com", "type": "Secondary"}]}, "published": "2026-10-29T16:20:04.453", "references": [{"source": "security@progress.com", "url": "https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view"}], "sourceIdentifier": "security@progress.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-434"}], "source": "security@progress.com", "type": "Primary"}]}

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{"affected": [{"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,2024.0.7)"}}, {"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,2025.0.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "WS_FTP Server", "source": "cna", "vendor": "Progress Software"}, "product": "ws_ftp_server", "vendor": "progress"}, {"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,2024.0.7)"}}, {"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,2025.0.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "WS_FTP Server", "source": "cna", "vendor": "Progress Software"}, "product": "ws_ftp_server", "vendor": "progress_software"}], "created": "2026-10-29T18:00:17.797070+00:00", "updated": "2026-10-29T21:00:19.777737+00:00", "vendors": ["progress", "progress$PRODUCT$ws_ftp_server", "progress_software", "progress_software$PRODUCT$ws_ftp_server"]}