Exploited Vulnerabilities DailyCVE-2026-28318: SolarWinds Serv-U
EPSS1.9%No. 1591 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV11
Same product4
| Field | Value |
|---|---|
| Vendor | SolarWinds |
| Product | Serv-U |
| Name | SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability |
| Added to KEV | 2026-06-05 |
| US federal due date | 2026-06-19 |
| Ransomware use | Unknown |
| CWE | CWE-400 |
CISA description
SolarWinds Serv-U contains an uncontrolled resource consumption vulnerability that allows specially crafted POST requests using the Content-Encoding: deflate header to crash the Serv-U service without authentication.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2024-28995 | SolarWinds Serv-U | 2024-07-17 | 99.6% | Unknown |
| CVE-2021-35247 | SolarWinds Serv-U | 2022-01-21 | 3.4% | Unknown |
| CVE-2021-35211 | SolarWinds Serv-U | 2021-11-03 | 91.1% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A SolarWinds Serv-U vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-06-05.