CVE-2026-59085

Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack's webhook module, exploitable via webhook delivery requests. This issue affects Apache CloudStack: from 4.20.0.0 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.

Score

CVSS 3.1 9.1 Critical

Status

Analyzed - security@apache.org

Published

2026-08-21

Last modified

2026-10-16

Weaknesses

CWE-918

Affected products

• Cloudstack (Apache)
• Apache Cloudstack (Apache Software Foundation)

References

• https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc