CVE-2026-28325

SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability

8.8 High

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.52%Unchanged since Sep 23, 2026

What each source reports

CVE List Score used 8.8

SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability

Record: CVE-2026-28325
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2026-84678 8.8

Record: EUVD-2026-84678
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r476-9mp7-phxc 8.8

SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code...

Record: GHSA-r476-9mp7-phxc
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

NVD 8.8

Record: CVE-2026-28325
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

Affected products

solarwinds observability self-hosted

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-28325 is a high vulnerability (CVSS 8.8) in Solarwinds Observability Self-hosted, published September 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. No source names a fixed version.