Cross-site scripting in Apache SkyWalking - CVE-2026-85229
Published: September 4, 2026
Vulnerability identifier: #VU146943
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-85229
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary script in a victim's browser.
The vulnerability exists due to improper neutralization of input during web page generation in Apache SkyWalking Booster UI dashboard widgets when rendering dashboard widgets. A remote attacker can store crafted script content in dashboard widgets to execute arbitrary script in a victim's browser.
Affected software
Apache SkyWalking
How to mitigate CVE-2026-85229
Install security update from vendor's website.
Apache SkyWalking - update to 11.0.0