01 Record
CVE-2026-28325
SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability
HighPUBLISHEDCNA: SolarWinds
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 1.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 74.0% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-22 19:12Z1 MO AGO
- Last updated
- 2026-09-23 03:56Z1 MO AGO
- Reserved
- 2026-02-26
- Assigning CNA
- SolarWinds
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-502Deserialization of Untrusted DataBase
- Data version
- 5.2
- Document digest
- 796bde727a231db600c05ea81972d15ffd15f4f2b31ed53de8b401095ec98db3
05 Affected products
VendorProductVersionsPlatforms
06 References
- documentation.solarwinds.comhttps://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm
- www.solarwinds.comhttps://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28325
- documentation.solarwinds.comhttps://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
07 Remediation
SolarWinds recommends customers to upgrade to Observability Self-Hosted version 2026.2.3 as soon as is practical.