{"id":"CVE-2026-28321","aliases":["EUVD-2026-46299","GHSA-qmpv-cmj3-27m6"],"status":"published","title":"SolarWinds Serv-U Broken Access Control Vulnerability","description":"SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00577,"percentile":0.48039,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-07-21T15:39:46Z","modified":"2026-10-24T20:10:00Z","products":[{"vendor":"solarwinds","product":"serv-u"}],"references":[{"url":"https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm","tags":["release-notes","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28321"},{"url":"https://github.com/advisories/GHSA-qmpv-cmj3-27m6"}],"sources":{"cve":[{"id":"CVE-2026-28321","title":"SolarWinds Serv-U Broken Access Control Vulnerability","description":"SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.","status":"published","published":"2026-07-21T15:39:46.561Z","modified":"2026-07-24T03:55:48.019Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:20:01.969981Z"}],"euvd":[{"id":"EUVD-2026-46299","description":"SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.","status":"published","published":"2026-07-21T15:39:46Z","modified":"2026-07-24T03:55:48Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:19:41.195396Z"}],"ghsa":[{"id":"GHSA-qmpv-cmj3-27m6","title":"SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary...","description":"SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.","status":"published","published":"2026-07-21T18:31:01Z","modified":"2026-07-21T18:31:10Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:09:38.133598Z"}],"nvd":[{"id":"CVE-2026-28321","description":"SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.","status":"published","published":"2026-07-21T16:17:10.293Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:31.024898Z"}]}}