SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to SMTP hijacking leading to arbitrary account takeover. The impact is lower in Windows deployments.
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://https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28313 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:*:*:*:*:*:*:*:*