CVE-2025-26391
MediumCVSS 5.4Exploitation Probability (EPSS)
Low risk23th percentile - higher than 23% of all known CVEs
Summary
SolarWinds Observability Self-Hosted contains an XSS vulnerability in the SolarWinds Platform affecting user-created URL fields. Exploitation requires authentication from a low-level account.
Risk Assessment
A low-privileged user can inject a malicious script that executes in other users' browsers, potentially leading to session theft or actions performed on their behalf.
Recommendation
Upgrade SolarWinds Observability Self-Hosted to a version containing the fix. Limit low-privileged accounts and monitor for unusual values in URL fields.
Other vulnerabilities in SolarWinds Observability Self-Hosted
See all- CVE-2026-28330Medium
SolarWinds Observability Self-Hosted is 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. This may lead to session hijacking.
- CVE-2026-28329Medium
SolarWinds Observability Self-Hosted was found to be affected by a Server-Side Request Forgery (SSRF) vulnerability that allows authenticated attackers to cause the application server to send requests to attacker-controlled or internal destinations.
- CVE-2026-28328High
SolarWinds Observability Self-Hosted was found to be affected by a broken authorization schema that can allow low-privileged users to access and modify information beyond their assigned permissions.
- CVE-2026-28324Critical
SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability due to insufficient integrity checks. Installations configured in a non-default and non-secure configuration are affected.
- CVE-2026-28325High
SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability stemming from deserialization of untrusted data when the application is configured to use a specific communication mode.
- CVE-2025-40545Medium
SolarWinds Observability Self-Hosted is susceptible to an open redirection vulnerability. The URL is not properly sanitized, and an attacker could manipulate the string to redirect a user to a malicious site. Attack complexity is high and authentication is required.
- CVE-2025-26392Medium
SolarWinds Observability Self-Hosted is susceptible to SQL injection that may display sensitive data using a low-level account. Requires authentication from a low-privilege account.
Original NVD description (English source)
SolarWinds Observability Self-Hosted XSS Vulnerability. The SolarWinds Platform was susceptible to a XSS vulnerability that affects user-created URL fields. This vulnerability requires authentication from a low-level account.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

