CVE-2026-28298 SolarWinds Observability Self-Hosted Stored Cross-Site Scripting Vulnerability
Attackers can inject malicious scripts into SolarWinds Observability Self-Hosted, leading to unintended script execution in user browsers.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-28298?
CVE-2026-28298 is a medium-severity cross-site scripting vulnerability in SolarWinds Observability Self-Hosted, published on 26 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-28298?
It affects 1 product.
Products include Solarwinds Observability Self-Hosted.
How do I fix CVE-2026-28298?
No fix has been published for CVE-2026-28298 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-28298 being exploited?
There is no known exploitation of CVE-2026-28298 in the wild and no public exploit code.
Other vulnerabilities in SolarWinds Observability Self-Hosted
- CVE-2025-26397 SolarWinds Observability Self-Hosted Deserialization of Untrusted Data Local Privilege Escalation Vulnerability
- CVE-2025-26395 SolarWinds SWOSH DOM-based reflective XSS Vulnerability
- CVE-2026-28297 SolarWinds Observability Self-Hosted Stored Cross-Site Scripting Vulnerability
- CVE-2025-26391 SolarWinds Observability Self-Hosted XSS Vulnerability
- CVE-2025-26392 SolarWinds Observability Self-Hosted SQL Injection Vulnerability
Sources
Also known as GHSA-c2f7-jh9g-224w.