CVE-2026-28324: SolarWinds Observability Self-Hosted · Insufficient Verification of Data Authenticity
Affects SolarWinds Observability Self-HostedSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical : upgrade to 2026.2.3 as a priority.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 51% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2026.2.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 22 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade SolarWinds Observability Self-Hosted to 2026.2.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SolarWindsObservability Self-Hosted | Affected
| Fixed in
|
Description
SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability due to the insufficient integrity checks. Installations configured in a non-default and non-secure configuration are affected.
References
- documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm (opens in a new tab)
- solarwinds.com/trust-center/security-advisories/CVE-2026-28324 (opens in a new tab)
- documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm (opens in a new tab)
- documentation.solarwinds.com/en/success_center/wpm/content/orionwpmagaddingalocation.htm (opens in a new tab)