CVE-2026-28304CWE-284

SolarWinds Serv-U Remote Code Execution Vulnerability

Critical · published July 21, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
55.6
In the wild
Unconfirmed
What it is

SolarWinds Serv-U is affected by a remote code execution vulnerability that, when exploited, can allow the arbitrary execution of code remotely as root. The impact is lower in Windows deployments.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00786 · 55.6th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-07-21T15:32Z
EPSS history
Timeline
  • 21 JUL 15:32Z
    SolarWinds Serv-U Remote Code Execution Vulnerability
    cvelistv5