CVE-2026-28318 - SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability

Vulnerability Name

SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability

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.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

https://www.solarwinds.com/trust-center/security-advisories/cve-2026-28318

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm#link7

https://nvd.nist.gov/vuln/detail/CVE-2026-28318

Related News Articles

CISA: Hackers now exploit SolarWinds Serv-U flaw to crash serversJune 6, 2026