CVE-2026-28318

Description

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

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
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• https://nvd.nist.gov/vuln/detail/CVE-2026-28318
• 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://euvd.enisa.europa.eu/vulnerability/EUVD-2026-34268