CVE-2026-61397 PUBLISHED

Apache CloudStack: OAuth2 Token Cross-Request Leak

Assigner: apache
Reserved: 09.07.2026 Published: 21.08.2026 Updated: 21.08.2026

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.

Product Status

Vendor Apache Software Foundation
Product Apache CloudStack
Versions Default: unaffected
  • affected from 4.19.0.0 to 4.20.3.0 (incl.)
  • affected from 4.21.0.0 to 4.22.1.0 (incl.)

Credits

  • Katriel Moses <katriel.moses@gmail.com> reporter
  • "Network and Cloud Laboratory (NaCl) KMITL" <nacl@kmitl.ac.th> reporter
  • Paratpanu Pechsaman <66010542@kmitl.ac.th> analyst
  • Nutthawat Charoensiriphong <68010321@kmitl.ac.th> analyst
  • Panabordee Panitchakit <68010697@kmitl.ac.th> analyst

References

Problem Types

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor CWE