{"id":"CVE-2026-90870","aliases":["EUVD-2026-113027","GHSA-cq7f-79v2-gg46"],"status":"published","title":"Unauthenticated Ad Hoc Transfer Resource Exhaustion in Progress WS_FTP Server","description":"A missing release of backend receiver sessions in the Ad Hoc Transfer component of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could lead to server resource exhaustion and service degradation.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0027,"percentile":0.19385,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-772"],"published":"2026-10-29T15:55:43Z","modified":"2026-10-30T18:18:17Z","products":[{"vendor":"progress software","product":"ws_ftp server"},{"vendor":"progress software corporation","product":"ws_ftp server"}],"references":[{"url":"https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90870"},{"url":"https://github.com/advisories/GHSA-cq7f-79v2-gg46"}],"sources":{"cve":[{"id":"CVE-2026-90870","title":"Unauthenticated Ad Hoc Transfer Resource Exhaustion in Progress WS_FTP Server","description":"A missing release of backend receiver sessions in the Ad Hoc Transfer component of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could lead to server resource exhaustion and service degradation.","status":"published","published":"2026-10-29T15:55:43.95Z","modified":"2026-10-30T17:15:05.94Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-400","CWE-772"],"updated_at":"2026-11-02T13:45:59.110885Z"}],"euvd":[{"id":"EUVD-2026-113027","description":"A missing release of backend receiver sessions in the Ad Hoc Transfer component of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could lead to server resource exhaustion and service degradation.","status":"published","published":"2026-10-29T15:55:43Z","modified":"2026-10-30T17:15:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T16:59:05.567782Z"}],"ghsa":[{"id":"GHSA-cq7f-79v2-gg46","title":"A missing release of backend receiver sessions in the Ad Hoc Transfer component of Progress...","description":"A missing release of backend receiver sessions in the Ad Hoc Transfer component of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could lead to server resource exhaustion and service degradation.","status":"published","published":"2026-10-29T18:31:07Z","modified":"2026-10-29T18:31:14Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:14:40.528345Z"}],"nvd":[{"id":"CVE-2026-90870","description":"A missing release of backend receiver sessions in the Ad Hoc Transfer component of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could lead to server resource exhaustion and service degradation.","status":"published","published":"2026-10-29T16:20:05.19Z","modified":"2026-10-30T18:18:17.703Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-400","CWE-772"],"updated_at":"2026-11-02T14:13:04.940026Z"}]}}