CVE-2026-28318

Weakness

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update

Affected products

• solarwinds serv-u

References

• https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28318
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-28318