{"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": "2026-08-05T13:08:24.173Z"}, "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": "2026-08-05T13:07:55.384590Z", "id": "CVE-2026-44945", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-05T13:08:24.173Z"}}]}}

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