CVE-2026-85229: Apache Software Foundation Apache Skywalking

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

** UNSUPPORTED WHEN ASSIGNED ** Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache SkyWalking Booster UI. This issue affects Apache SkyWalking UI : from 10.2.0 through 10.4.0. Users are recommended to upgrade to Horizon UI 1.0.0, which fixes the issue.

Affected products

• Apache Software Foundation Apache Skywalking: from 10.2.0, up to and including 10.4.0

Published 2026-09-04. Last modified 2026-09-08.