High severity7.5NVD Advisory· Published Aug 21, 2026· Updated Aug 27, 2026
CVE-2026-61397
CVE-2026-61397
Description
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.
Affected products
3- Range: 4.19.0.0 - 4.20.3.0, 4.21.0.0 - 4.22.1.0
- Range: 4.19.0.0 - 4.20.3.0, 4.21.0.0 - 4.22.1.0
- Range: 4.19.0.0 - 4.20.3.0, 4.21.0.0 - 4.22.1.0
Patches
Vulnerability mechanics
References
1- lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbcnvdVendor AdvisoryMailing List
News mentions
1- Apache CloudStack & InLong: 25 Vulnerabilities Disclosed in Coordinated BatchVypr Intelligence · Aug 21, 2026