HIGH: CVE-2026-28318 actively exploited — solarwinds serv-u
CVE: CVE-2026-28318
CVSS: 7.5 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH
Status: ✅ Confirmed exploited in the wild (CISA KEV)
Affected
- solarwinds serv-u
Summary
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
Verified Sources
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
_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._
Lyrie Verdict
Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.
Validated sources
- [1]NVD
- [2]GitHub Advisory
- [3]MITRE
- [4]CISA KEV