CVE-2026-28325 SolarWinds Observability Self-Hosted - Remote Code Execution

SolarWinds Observability Self-Hosted contains an insecure deserialization vulnerability caused by deserialization of untrusted data in a specific communication mode, letting unauthenticated remote attackers execute arbitrary code.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
1.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version with the vulnerability fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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