{"id":"CVE-2026-4048","aliases":["EUVD-2026-23859","GHSA-pwx9-99jm-fx95"],"status":"published","title":"OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager \u0026 MOVEit WAF","description":"OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in a custom WAF rule file during the file upload process.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02132,"percentile":0.82219,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2026-04-20T13:36:49Z","modified":"2026-10-26T22:10:00Z","products":[{"vendor":"progress","product":"connection_manager_for_objectscale"},{"vendor":"progress","product":"ecs_connection_manager"},{"vendor":"progress","product":"loadmaster"},{"vendor":"progress software","product":"ecs connections manager"},{"vendor":"progress software","product":"loadmaster"},{"vendor":"progress software","product":"moveit waf"},{"vendor":"progress software","product":"object scale connection manager"}],"references":[{"url":"https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CVE-2026-4048-CVE-2026-21876","tags":["vendor-advisory","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4048"},{"url":"https://github.com/advisories/GHSA-pwx9-99jm-fx95"}],"sources":{"cve":[{"id":"CVE-2026-4048","title":"OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager \u0026 MOVEit WAF","description":"OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in a custom WAF rule file during the file upload process.","status":"published","published":"2026-04-20T13:36:49.475Z","modified":"2026-04-22T03:55:54.495Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-23859","description":"OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in a custom WAF rule file during the file upload process.","status":"published","published":"2026-04-20T13:36:49Z","modified":"2026-04-22T03:55:54Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:21.101387Z"}],"ghsa":[{"id":"GHSA-pwx9-99jm-fx95","title":"OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an...","description":"OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in a custom WAF rule file during the file upload process.","status":"published","published":"2026-04-20T15:31:52Z","modified":"2026-04-20T15:31:58Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:07:33.028847Z"}],"nvd":[{"id":"CVE-2026-4048","description":"OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in a custom WAF rule file during the file upload process.","status":"published","published":"2026-04-20T14:16:20.7Z","modified":"2026-10-26T22:10:00.163Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:12:15.120927Z"}]}}