{"id":"CVE-2026-90863","state":"PUBLISHED","title":"Privilege Escalation via Missing Authorization in WS_FTP Manager","description":"Missing authorization in the administrative interface of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to exceed their authorized scope, potentially enabling arbitrary command execution with elevated privileges and complete compromise of the underlying server.","publishedAt":"2026-10-29T15:49:34.111Z","updatedAt":"2026-10-30T17:18:25.132Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","source":"ProgressSoftware"},"assigner":"ProgressSoftware","products":["Progress Software WS_FTP Server"],"affected":[{"vendor":"Progress Software","product":"WS_FTP Server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2024.0.7","versionType":"custom"},{"version":"0","status":"affected","lessThan":"2025.0.4","versionType":"custom"}],"platforms":["Windows"]}],"references":["https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view"],"weaknesses":["CWE-915","CWE-862"],"ingestedAt":"2026-10-30T17:26:04.566Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90863.json","commit":"e8328137ecf4069b095dab9de0403e0e5a96b5ec","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90863","state":"PUBLISHED","datePublished":"2026-10-29T15:49:34.111Z","dateUpdated":"2026-10-30T17:18:25.132Z","assignerShortName":"ProgressSoftware","assignerOrgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","dateReserved":"2026-09-14T06:09:55.847Z"},"containers":{"cna":{"title":"Privilege Escalation via Missing Authorization in WS_FTP Manager","descriptions":[{"lang":"en","value":"Missing authorization in the administrative interface of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to exceed their authorized scope, potentially enabling arbitrary command execution with elevated privileges and complete compromise of the underlying server."}],"affected":[{"vendor":"Progress Software","product":"WS_FTP Server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2024.0.7","versionType":"custom"},{"version":"0","status":"affected","lessThan":"2025.0.4","versionType":"custom"}],"platforms":["Windows"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-915","lang":"en","description":"CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes","type":"CWE"},{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"ProgressSoftware","orgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","dateUpdated":"2026-10-29T15:49:34.111Z"},"impacts":[{"descriptions":[{"lang":"en","value":"Parameter Injection - manipulation of input parameters to perform actions beyond the user's authorized scope."}]}],"workarounds":[{"lang":"en","value":"Limit delegation of the Host Administrator role to trusted staff, and review existing Host Administrator accounts and their setting's scope and permissions. Contact Progress Software Technical Support for guidance on available mitigations.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div>Limit delegation of the Host Administrator role to trusted staff, and review existing Host Administrator accounts and their setting's scope and permissions. Contact Progress Software Technical Support for guidance on available mitigations.</div>"}]}],"credits":[{"lang":"en","value":"Niv Levy (restricted)","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-90863","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-30T03:56:38.763130Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T17:18:25.132Z"}}]}}}