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High severity · published Oct 20, 2026
CVE-2026-28328
SolarWinds Observability Self-Hosted broken authorization schema
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SO
SolarWinds Observability Self-Hosted · SolarWinds
2026.2.3 and all previous versions · source: vendor
Affected product
SO
SolarWinds Observability Self-Hosted
SolarWinds
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28328
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28328
documentation.solarwinds.com
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
documentation.solarwinds.com
https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-4_release_notes.htm
www.solarwinds.com
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28328
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