CISA Lists Actively Exploited SolarWinds Serv-U Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has included a critical denial-of-service flaw in SolarWinds Serv-U software in its catalog of known exploited vulnerabilities. This high-severity vulnerability is currently being actively exploited, prompting a mandate for federal agencies to patch the issue by June 19, 2026.