CVE-2026-28313

EUVD-2026-46293
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 40.64%
Affected Products (NVD)
VendorProductVersion
solarwindsserv-u
𝑥
< 2026.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm
https://https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28313