PT-2026-28375 · Solarwinds · Solarwinds Observability

James Donlon-Armadin · Published 2026-03-26 · Updated 2026-05-14 · CVE-2026-28298

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SolarWinds Observability Self-Hosted (affected versions not specified)

Description The software is subject to a stored cross-site scripting issue. Successful exploitation may result in the execution of unintended scripts. The vulnerability requires adjacent network access and high privileges to achieve admin-level access.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-28298

Affected Products

Solarwinds Observability

References · 6

• https://solarwinds.com/trust-center/security-advisories/CVE-2026-28298 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-28298 · Security Note
• https://twitter.com/AndrewOliveau/status/2054911624218030217 · Twitter Post
• https://twitter.com/0dayPublishing/status/2037196466515492974 · Twitter Post
• https://twitter.com/CVEnew/status/2038135184709812576 · Twitter Post
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-1-1_release_notes.htm · Note