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CVE-2026-28318SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability
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
7.5 HIGHEPSS 48.00%⚡ Known Exploited (CISA KEV)NVD: Published
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.5 | HIGH | 3.1SolarWinds (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Details
- CVE ID
- CVE-2026-28318
- Status
- Published
- Assigner (CNA)
- SolarWinds
- Published
- Jun 4, 2026
- Last modified
- 2026-10-21 10:29 UTC
- Weaknesses
- CWE-400 · Uncontrolled Resource Consumption
Affected Products
As published by the CNA in the CVE record.
SolarWindsServ-U1 version range
- through 15.5.4
References
Sources
- NVD (unavailable at last refresh)
- CVE.org
- CISA KEV
- FIRST EPSS