CVE-2026-28325CWE-502insecure-deserialization

CVE-2026-28325

High · published September 23, 2026

CVSS v3.1
8.8
EPSS
2%
Percentile
74.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01518 · 74.4th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-09-23T00:17Z
References (3)
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm · [email protected]https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm · [email protected]https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28325 · [email protected]
EPSS history
Timeline
  • 24 SEP 03:22Z
    EPSS moved — → 2%
    epss
  • 22 SEP 19:12Z
    SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability
    cvelistv5