{"id":"CVE-2026-90864","aliases":[],"cve":{"records":[{"id":"CVE-2026-90864","source":"ProgressSoftware","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-14T06:09:55.847Z","published":"2026-10-29T15:50:29.084Z","modified":"2026-10-30T17:18:24.999Z"}],"publishers":[{"name":"ProgressSoftware","role":"CNA","organizationId":"f9fea0b6-671e-4eea-8fde-31911902ae05","modified":"2026-10-29T15:50:29.084Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T17:18:24.999Z"}],"references":[{"url":"https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view","tags":["vendor-advisory"],"source":"ProgressSoftware"}],"weaknesses":[{"id":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","source":"ProgressSoftware"},{"id":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","source":"ProgressSoftware"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T03:56:39.496575Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Host Administrator Path Containment Bypass in Progress WS_FTP Server","titleSource":"ProgressSoftware","descriptionSource":"ProgressSoftware","description":"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scope.","score":9.1,"severity":"critical","published":"2026-10-29T15:50:29.084Z","modified":"2026-10-30T17:18:24.999Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Progress Software","name":"WS_FTP Server","platforms":["Windows"],"versions":[{"version":"0","status":"affected","lessThan":"2024.0.7","versionType":"custom"},{"version":"0","status":"affected","lessThan":"2025.0.4","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"ProgressSoftware","url":"https://www.cve.org/CVERecord?id=CVE-2026-90864"}],"remediation":[{"text":"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.","source":"ProgressSoftware","url":"https://www.cve.org/CVERecord?id=CVE-2026-90864"}],"references":["https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view"],"sources":[{"name":"CVE","id":"CVE-2026-90864","modified":"2026-10-30T17:18:24.999Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-90864"}],"assessments":[{"source":"ProgressSoftware","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","score":9.1}],"sourceAffected":[],"observedAt":"2026-10-30T18:55:01.392Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T09:10:30.844Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-10-29T16:10:32.123Z","attemptedAt":"2026-10-29T16:10:32.123Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-29T16:10:32.127Z","attemptedAt":"2026-10-29T16:10:32.127Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T16:10:32.127Z","attemptedAt":"2026-10-29T16:10:32.127Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-29T16:10:31.416Z","attemptedAt":"2026-10-29T16:10:31.416Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-113021","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113021","modified":"Oct 29, 2026, 3:50:29 PM","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","checkedAt":"2026-10-29T16:10:32.127Z"}],"aiSummary":{"text":"A path traversal vulnerability in Progress WS_FTP Server on Windows, versions prior to 2024.0.7 and 2025.0.4, could allow a delegated Host Administrator to access or modify files outside their scope. The attacker must have delegated Host Administrator access. The impact is file access or modification outside authorized boundaries.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:06:05.674Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-90864"}]}}