What’s Vulnerable › Vulnerabilities

CVE-2026-28330: SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-20 · updated 2026-10-20
• Weakness: CWE-79

Description

SolarWinds Observability Self-Hosted was found to be affected by a stored Cross-Site Scripting (XSS) vulnerability that allows authenticated attackers to inject malicious content or JavaScript, which is displayed or executed in the browsers of other authenticated users who access the affected pages.

Affected products

• SolarWinds Observability Self-Hosted: 2026.2.3 and all previous versions

References

• https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-4_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28330

Get alerted when CVE-2026-28330 or the next vulnerability affects your stack