CVE-2026-28318 in Serv-U

Summary

by MITRE • 06/04/2026

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

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• Responsible: SolarWinds
• Reservation: 02/26/2026
• Disclosure: 06/04/2026
• Moderation: accepted
• Entry: VDB-368349
• CPE: ready
• CWE: CWE-400 (confirmed)
• CVSS: 7.5 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Agriculture, Hospital, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-28318
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-28318
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-28318/