{"schema_version": "1.6.1", "id": "CVE-2026-61397", "summary": "OAuth2 Token Cross-Request Leak", "details": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth2 authentication plugin and Google OAuth integration.\n\nThis 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.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1, which fixes the issue.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "4.19.0.0"}, {"last_affected": "4.19.0.0"}]}, {"type": "SEMVER", "events": [{"introduced": "4.21.0.0"}, {"last_affected": "4.21.0.0"}]}]}], "references": [{"type": "WEB", "url": "https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"}]}