PT-2026-28374 · Solarwinds · Solarwinds Observability

Published 2026-03-26 · Updated 2026-05-14 · CVE-2026-28297

Positive Technologies (AI Summary)

CVSS v3.1

8.7

High

Base vector

AV:A/AC:L/PR:L/UI:N/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 unintended script execution. The impact is limited by a high-privilege access requirement, which restricts the potential blast radius, but persistence within monitoring infrastructure is possible.

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-2026-28297

Affected Products

Solarwinds Observability

References · 7

• https://solarwinds.com/trust-center/security-advisories/CVE-2026-28297 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-28297 · Security Note
• https://twitter.com/ArmadinSecurity/status/2054932950270050347 · Twitter Post
• https://twitter.com/0dayPublishing/status/2037249324740940046 · Twitter Post
• https://twitter.com/CVEnew/status/2038135188094632234 · Twitter Post
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-1-1_release_notes.htm · Note
• https://twitter.com/AndrewOliveau/status/2054911624218030217 · Twitter Post