CVE-2026-28325 json
SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability
published 2026-09-22 47 d ago modified 2026-09-24 45 d ago also EUVD-2026-84678
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- SolarWinds Observability Self-Hosted 2026.2.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 48 d ago
Exploit prediction
1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- SolarWinds Observability Self-Hosted
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
solarwinds.com
/trust-center/security-advisories/CVE-2026-28325
vendor-advisory
-
documentation.solarwinds.com
/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm
release-notes
- documentation.solarwinds.com /en/success_center/orionplatform/content/core-secure-configuration.htm
Sources
- CVE List CVE-2026-28325
- NVD CVE-2026-28325
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