{"id":"CVE-2026-90872","kind":"vulnerability","aliases":["CVE-2026-90872"],"related":[],"title":"WS_FTP Server: Manager console lets an admin run commands on Windows","description":"Improper neutralization of directives in dynamically evaluated code in the Manager web console of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an authenticated Manager administrator to execute arbitrary commands with the privileges of the WS_FTP Server IIS worker process.","summary":"WS_FTP Server's Manager web console on Windows fails to neutralize directives in dynamically evaluated code. An authenticated Manager administrator can execute arbitrary commands with the privileges of the WS_FTP Server IIS worker process.","severity":"medium","cvss":6.6,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["file-transfer","iis","other","windows","ws_ftp_server"],"not_affected_if":["no-manager-admin-exposure","non-windows","patched-version"],"how_to_check":"- Check the installed WS_FTP Server version in the Manager console or on the server; versions prior to `2024.0.7` and `2025.0.4` are listed as affected.\n- Confirm the host runs on Windows with the WS_FTP Server IIS worker process.","fix":"- WS_FTP Server `2024.0.7` for the 2024 line\n- WS_FTP Server `2025.0.4` for the 2025 line","status":"open","published_at":"2026-10-29T16:20:05+00:00","first_seen_at":"2026-10-29T16:26:03+00:00","triaged_at":"2026-10-29T16:30:13+00:00","updated_at":"2026-10-29T16:30:13+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-29T16:30:13Z","model":"claude-haiku-5-5","output":{"fix":"- WS_FTP Server `2024.0.7` for the 2024 line\n- WS_FTP Server `2025.0.4` for the 2025 line","reach":"network","title":"WS_FTP Server: Manager console lets an admin run commands on Windows","impact":"high","summary":"WS_FTP Server's Manager web console on Windows fails to neutralize directives in dynamically evaluated code. An authenticated Manager administrator can execute arbitrary commands with the privileges of the WS_FTP Server IIS worker process.","audience":"businesses","category":"other","nicknames":[],"who_cares":["ws_ftp_server","windows","iis","file-transfer"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"Commands run as the WS_FTP Server IIS worker process account on Windows","analyst_note":"","how_to_check":"- Check the installed WS_FTP Server version in the Manager console or on the server; versions prior to `2024.0.7` and `2025.0.4` are listed as affected.\n- Confirm the host runs on Windows with the WS_FTP Server IIS worker process.","plain_action":"","needs_analyst":false,"not_affected_if":["patched-version","non-windows","no-manager-admin-exposure"],"who_is_affected":"Only Windows installs of WS_FTP Server running a version before 2024.0.7 or 2025.0.4 are exposed, and only through the Manager web console. An attacker needs a Manager administrator account, so the risk is mostly insider or compromised-admin. Servers on other platforms or with patched versions can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000711,"input_tokens":4135,"output_tokens":595,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-90872':15A,18A '2024.0.7':86C '2025.0.4':88C 'admin':8A 'administr':48B,96C 'allow':92C 'arbitrari':51B,99C 'authent':46B,94C 'code':44B,71C 'command':10A,52B,100C 'consol':5A,34B,76C 'could':91C 'cve':13A,16A 'direct':40B,67C 'dynam':42B,69C 'evalu':43B,70C 'execut':50B,98C 'fail':37B 'file':20B 'file-transf':19B 'ftp':2A,26B,29B,59B,81C,107C 'ii':22B,61B,109C 'improp':64C 'let':6A 'manag':4A,32B,47B,74C,95C 'neutral':39B,65C 'prior':84C 'privileg':55B,103C 'process':63B,111C 'progress':78C 'run':9A 'server':3A,27B,30B,60B,82C,108C 'softwar':79C 'transfer':21B 'version':83C 'web':33B,75C 'window':12A,24B,36B,90C 'worker':62B,110C 'ws':1A,25B,28B,58B,80C,106C","nicknames":[],"mitigations":[],"who_affected":"Only Windows installs of WS_FTP Server running a version before 2024.0.7 or 2025.0.4 are exposed, and only through the Manager web console. An attacker needs a Manager administrator account, so the risk is mostly insider or compromised-admin. Servers on other platforms or with patched versions can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T16:20:05+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","cvss_by":"security@progress.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-90872","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90872","severity":null,"published_at":"2026-10-29T16:20:05+00:00","modified_at":"2026-10-29T16:24:53+00:00","first_seen_at":"2026-10-29T16:26:03+00:00","fetched_at":"2026-10-29T16:26:03+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}