CVE-2026-85229
Apache SkyWalking: CWE-79 stored XSS in Booster UI dashboard widgets (incomplete fix of CVE-2025-54057)
** 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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.1
Apache SkyWalking: CWE-79 stored XSS in Booster UI dashboard widgets (incomplete fix of CVE-2025-54057)
** 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.
- Record
CVE-2026-85229- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-70950
6.1
** 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.
- Record
EUVD-2026-70950- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-26wm-72r9-xfwc
6.1
** UNSUPPORTED WHEN ASSIGNED ** Improper neutralization of input during web page generation (...
** 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.
- Record
GHSA-26wm-72r9-xfwc- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
6.1
** 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.
- Record
CVE-2026-85229- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-85229 is a medium vulnerability (CVSS 6.1) in Apache Software Foundation Skywalking, published September 4, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.