SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability
Known exploited
CVE-2026-28318
Summary
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.
Why it matters
CVE-2026-28318 is listed in CISA's Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. CISA remediation deadline: 2026-06-19. Treat remediation as urgent.
Operator check
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.