CVE-2026-28328: high-severity vulnerability in SolarWinds Observability Self-Hosted
SolarWinds Observability Self-Hosted broken authorization schema
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
SolarWinds Observability Self-Hosted was found to be affected by a broken authorization schema that can allow low-privileged users to access and modify information beyond their assigned permissions.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
SolarWinds · SolarWinds Observability Self-HostedRelated CVEs — SolarWinds Observability Self-Hosted
In the same product, most dangerous first.
CVE-2026-28297MEDIUMSolarWinds Observability Self-Hosted Stored Cross-Site Scripting VulnerabilityEPSS 0.4%CVE-2026-28298MEDIUMSolarWinds Observability Self-Hosted Stored Cross-Site Scripting VulnerabilityEPSS 0.4%CVE-2025-26397HIGHSolarWinds Observability Self-Hosted Deserialization of Untrusted Data Local Privilege Escalation VulnerabilityEPSS 0.3%CVE-2025-26391MEDIUMSolarWinds Observability Self-Hosted XSS VulnerabilityEPSS 0.3%CVE-2026-28329MEDIUMSolarWinds Observability Self-Hosted Server-Side Request Forgery (SSRF)EPSS 0.3%CVE-2026-28330MEDIUMSolarWinds Observability Self-Hosted Cross-Site Scripting VulnerabilityEPSS 0.3%
References
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htmhttps://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-4_release_notes.htmhttps://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28328