CVE-2026-28325

EUVD-2026-84678
SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability stemming from deserialization of untrusted data when the application is configured to use a specific communication mode.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
SolarWindsCNA
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 74.67%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
solarwindsobservability_self-hosted
𝑥
< 2026.2.3
CNA
Common Weakness Enumeration
References
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28325