{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44945","assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","state":"PUBLISHED","assignerShortName":"suse","dateReserved":"2026-05-08T12:29:48.968Z","datePublished":"2026-08-05T10:00:04.286Z","dateUpdated":"2026-08-06T03:55:24.710Z"},"containers":{"cna":{"providerMetadata":{"orgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","shortName":"suse","dateUpdated":"2026-08-05T10:00:04.286Z"},"title":"Cross-Cluster Impersonation Confused-Deputy Privilege Escalation","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-441","description":"CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-497","description":"CWE-497 Exposure of sensitive system information to an unauthorized control sphere","type":"CWE"}]}],"affected":[{"vendor":"SUSE","product":"Rancher","packageName":"Rancher","repo":"https://github.com/rancher/rancher","versions":[{"status":"affected","version":"2.11.0","lessThan":"2.11.16","changes":[{"at":"2.11.16","status":"unaffected"}],"versionType":"semver"},{"status":"affected","version":"2.12.0","lessThan":"2.12.12","changes":[{"at":"2.12.12","status":"unaffected"}],"versionType":"semver"},{"status":"affected","version":"2.13.0","lessThan":"2.13.8","changes":[{"at":"2.13.8","status":"unaffected"}],"versionType":"semver"},{"status":"affected","version":"2.14.0","lessThan":"2.14.2","changes":[{"at":"2.14.4","status":"unaffected"}],"versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user\n global role can gain full administrative access to the Rancher control \nplane and transitively to all downstream clusters it manages.\n\nThis issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.","supportingMedia":[{"type":"text/html","base64":false,"value":"A privilege escalation vulnerability exists in Rancher's impersonation middleware (<code>pkg/auth/requests/impersonate.go</code>). An authenticated Rancher user with the default <code>user</code>\n global role can gain full administrative access to the Rancher control \nplane and transitively to all downstream clusters it manages.<p>This issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.</p>"}]}],"references":[{"url":"https://github.com/rancher/rancher/pull/55983","tags":["patch"]},{"url":"https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpq","tags":["vendor-advisory"]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945","tags":["issue-tracking"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}}],"credits":[{"lang":"en","value":"This vulnerability was discovered and reported by @BenTheCyberOne.","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-44945"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-06T03:55:24.710Z"}}]}}