CVE-2026-59655
Apache CloudStack: Unauthenticated OAuth provider client-secret disclosure
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers. 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 or later, which fixes the issue.
| CWE | CWE-200 |
| Vendor | apache software foundation |
| Product | apache cloudstack |
| Published | Aug 21, 2026 |
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Affected Versions
Apache Software Foundation / Apache CloudStack
4.19.0.0 ≤ 4.20.3.0 4.21.0.0 ≤ 4.22.1.0
References
Credits
🔍 Yuliang Xiao <[email protected]> 🔍 Stijn Simons <[email protected]>