CVE-2026-61397

EUVD-2026-63840
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth2 authentication plugin and Google OAuth integration.

This issue affects Apache CloudStack: from 4.19.0.0 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, which fixes the issue.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
UNKNOWN
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 6.7%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apachecloudstack
4.19.0.0 ≤
𝑥
≤ 4.20.3.0
CNA
apachecloudstack
4.21.0.0 ≤
𝑥
≤ 4.22.1.0
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc