{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59655","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-07-06T09:08:57.444Z","datePublished":"2026-08-21T08:28:14.209Z","dateUpdated":"2026-08-25T19:24:58.263Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Apache CloudStack","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"4.20.3.0","status":"affected","version":"4.19.0.0","versionType":"semver"},{"lessThanOrEqual":"4.22.1.0","status":"affected","version":"4.21.0.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"reporter","value":"Yuliang Xiao <xyl1509410143@outlook.com>"},{"lang":"en","type":"reporter","value":"Stijn Simons <stijn.simons@portofantwerpbruges.com>"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's OAuth authentication plugin while listing OAuth providers.</p><p>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.</p><p>Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.</p>"}],"value":"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."}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-08-21T08:28:14.209Z"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"}],"source":{"discovery":"UNKNOWN"},"title":"Apache CloudStack: Unauthenticated OAuth provider client-secret disclosure","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-25T19:24:24.511256Z","id":"CVE-2026-59655","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-25T19:24:58.263Z"}}]}}