CVE-2026-28318
SolarWinds · Published June 4, 2026
7.5
CVSS v3.1
HIGHCISA KEV — Federal agencies must patch by deadline
Actively exploited in the wild
Patch availableGet patch
Description
SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update
Affected Products
- Serv U < 15.5.4
- Serv U
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H