{"id":"CVE-2026-1791","aliases":["EUVD-2026-5355","GHSA-w3f6-336f-pxmh"],"status":"published","title":"Arbitrary File Upload Vulnerability in Operation and Maintenance Security Gateway","description":"Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and Maintenance Security Gateway on Linux allows Upload a Web Shell to a Web Server.This issue affects Operation and Maintenance Security Gateway: V5.5ST00001B113.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00348,"percentile":0.28735,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2026-02-04T03:11:30Z","modified":"2026-06-17T10:16:31Z","products":[{"vendor":"hillstone networks","product":"operation and maintenance security gateway"}],"references":[{"url":"https://www.hillstonenet.com.cn/security-notification/2025/12/08/wgscld/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1791"},{"url":"https://www.hillstonenet.com.cn/security-notification/2025/12/08/wgscld"},{"url":"https://github.com/advisories/GHSA-w3f6-336f-pxmh"}],"sources":{"cve":[{"id":"CVE-2026-1791","title":"Arbitrary File Upload Vulnerability in Operation and Maintenance Security Gateway","description":"Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and Maintenance Security Gateway on Linux allows Upload a Web Shell to a Web Server.This issue affects Operation and Maintenance Security Gateway: V5.5ST00001B113.","status":"published","published":"2026-02-04T03:11:30.275Z","modified":"2026-02-04T20:19:45.301Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-5355","description":"Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and Maintenance Security Gateway on Linux allows Upload a Web Shell to a Web Server.This issue affects Operation and Maintenance Security Gateway: V5.5ST00001B113.","status":"published","published":"2026-02-04T03:11:30Z","modified":"2026-02-04T20:19:45Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T19:48:43.720683Z"}],"ghsa":[{"id":"GHSA-w3f6-336f-pxmh","title":"Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and...","description":"Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and Maintenance Security Gateway on Linux allows Upload a Web Shell to a Web Server.This issue affects Operation and Maintenance Security Gateway: V5.5ST00001B113.","status":"published","published":"2026-02-04T06:31:20Z","modified":"2026-02-04T06:31:25Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:06:01.962776Z"}],"nvd":[{"id":"CVE-2026-1791","description":"Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and Maintenance Security Gateway on Linux allows Upload a Web Shell to a Web Server.This issue affects Operation and Maintenance Security Gateway: V5.5ST00001B113.","status":"published","published":"2026-02-04T04:15:49.44Z","modified":"2026-06-17T10:16:31.463Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:12:05.149641Z"}]}}