CVE-2026-28328

HIGH 8.8

SolarWinds Observability Self-Hosted broken authorization schema

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	solarwinds
Product	solarwinds observability self-hosted
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

SolarWinds / SolarWinds Observability Self-Hosted

2026.2.3 and all previous versions

References

NVD ↗ CVE.org ↗ EPSS Data ↗

documentation.solarwinds.com: https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-4_release_notes.htm solarwinds.com: https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28328 documentation.solarwinds.com: https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm

Credits

🔍 Dimitrios Titos from NATO 🔍 Georgios Sotiriadis from NATO 🔍 Frank Lycops from NATO