Critical severity · published Sep 22, 2026
CVE-2026-28324
SolarWinds Observability Self-Hosted Remote Code Execution Vulnerability
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability due to the insufficient integrity checks. Installations configured in a non-default and non-secure configuration are affected.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Observability Self-Hosted · SolarWinds
before 2026.2.3 · source: vendor
Affected product
OS
Observability Self-Hosted
SolarWinds
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