CVE-2026-28313: SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to SMTP hijacking leading to arbitrary account…

PriorityP349critical9.1CVSS 3.1

AVNACLPRHUINSCCHIHAH

EPSS

0.50%

41.5th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
solarwinds	serv-u	< 2026.3	2026.3
solarwinds	serv-u	—	—

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