{"id":"CVE-2026-59655","summary":"Apache CloudStack: Unauthenticated OAuth provider client-secret disclosure","details":"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.","modified":"2026-08-28T03:47:05.246080738Z","published":"2026-08-21T08:28:14.209Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-200"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59655.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"4.19.0.0"},{"last_affected":"4.20.3.0"},{"introduced":"4.21.0.0"},{"last_affected":"4.22.1.0"}]},{"extracted_events":[{"introduced":"4.19.0.0"},{"fixed":"4.20.3.0"},{"introduced":"4.21.0.0"},{"fixed":"4.22.1.0"}],"source":"DESCRIPTION"}]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59655.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59655"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/cloudstack","events":[{"introduced":"2746225b999612f156e421199e34ef8de98a3664"},{"fixed":"c8599040b4756034c7105806a53d2c99eb7ea0fe"},{"introduced":"f9513b47bf8cda46c2cee7e31d4d662346bc7399"},{"fixed":"348ce953a99246a756b527994f7745a7be038234"}],"database_specific":{"source":"DESCRIPTION","extracted_events":[{"introduced":"4.19.0.0"},{"fixed":"4.20.3.0"},{"introduced":"4.21.0.0"},{"fixed":"4.22.1.0"}]}}],"versions":["4.22.0.0","4.21.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59655.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}