CVE-2026-28298

SolarWinds Observability Self-Hosted Stored Cross-Site Scripting Vulnerability

CVSS 5.9 MEDIUMEPSS 0.3%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

SolarWinds Observability Self-Hosted was found to be affected by a stored cross-site scripting vulnerability, which when exploited, can lead to unintended script execution.

CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

Affected products

SolarWinds · SolarWinds Observability Self-Hosted

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References

https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-1-1_release_notes.htm https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28298