securityweek.com·Jun 8, 2026
CISA has issued a warning about ongoing attacks exploiting a recently patched vulnerability (CVE-2026-28318) in SolarWinds' Serv-U software, which can lead to denial-of-service attacks without requiring authentication. Users are urged to apply the hotfix provided by SolarWinds to mitigate these risks.
The most valuable insight for you from this content is the immediate need to apply the SolarWinds Serv-U 15.5.4 Hotfix 1 to mitigate the risk posed by the CVE-2026-28318 vulnerability, which can be exploited without authentication to cause a denial-of-service. As CISA has added this to their Known Exploited Vulnerabilities catalog, it's crucial to prioritize this patching to protect your systems from active threats.