{"id":"CVE-2026-59655","aliases":["EUVD-2026-63844","GHSA-73gx-q9q8-7w92"],"status":"published","title":"Apache CloudStack: Unauthenticated OAuth provider client-secret disclosure","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers.\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 or later, which fixes the issue.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00595,"percentile":0.4878,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-08-21T08:28:14Z","modified":"2026-11-08T02:47:39Z","products":[{"vendor":"apache","product":"cloudstack"},{"vendor":"apache software foundation","product":"apache cloudstack"}],"references":[{"url":"https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc","tags":["vendor-advisory","Vendor Advisory","Mailing List","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59655","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-73gx-q9q8-7w92"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59655.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-59655","title":"Apache CloudStack: Unauthenticated OAuth provider client-secret disclosure","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers.\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 or later, which fixes the issue.","status":"published","published":"2026-08-21T08:28:14.209Z","modified":"2026-08-25T19:24:58.263Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:19:58.560602Z"}],"euvd":[{"id":"EUVD-2026-63844","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers.\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 or later, which fixes the issue.","status":"published","published":"2026-08-21T08:28:14Z","modified":"2026-08-25T19:24:58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:01:31.718552Z"}],"ghsa":[{"id":"GHSA-73gx-q9q8-7w92","title":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's...","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers.\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 or later, which fixes the issue.","status":"published","published":"2026-08-21T09:32:05Z","modified":"2026-08-25T21:31:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:10:58.645101Z"}],"nvd":[{"id":"CVE-2026-59655","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers.\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 or later, which fixes the issue.","status":"published","published":"2026-08-21T09:16:38.533Z","modified":"2026-10-16T15:10:00.103Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:40.665005Z"}],"osv":[{"id":"CVE-2026-59655","title":"Apache CloudStack: Unauthenticated OAuth provider client-secret disclosure","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers.\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 or later, which fixes the issue.","status":"published","published":"2026-08-21T08:28:14.209Z","modified":"2026-11-08T02:47:39.319712595Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-08T03:29:52.421856Z"}]}}