9.1Critical
CVE-2026-61398Apache CloudStack: Cross-Site Scripting (XSS) Vulnerability in Instance Reset Password Function in UI
Description
Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Instance Reset Password functionality. This issue affects Apache CloudStack: from 4.15.1.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.
Weakness (CWE):
CWE-116
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| Apache Software Foundation | Apache CloudStack | 4.15.1.0 – ≤ 4.20.3.0, 4.21.0.0 – ≤ 4.22.1.0 | |
| apache | cloudstack | 4.15.1.0 – < 4.20.3.1 |
References and patches
- https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc vendor-advisoryVendor AdvisoryMailing List
CPE matches (NVD) (2)
cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*≥ 4.15.1.0 < 4.20.3.1cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*≥ 4.21.0.0 < 4.22.1.1