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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm Release Notes, Vendor Advisory
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.1 · solarwindsNVD modified 2026-10-24 20:10
Affected (CPE criteria) 1
cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*
References 2
- https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm Release Notes, Vendor Advisory
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321 Vendor Advisory