CVE-2026-94290

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-94290", "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "state": "PUBLISHED", "assignerShortName": "suse", "dateReserved": "2026-09-21T09:33:25.369Z", "datePublished": "2026-11-02T15:29:41.052Z", "dateUpdated": "2026-11-03T04:55:52.658Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "shortName": "suse", "dateUpdated": "2026-11-02T15:30:36.252Z"}, "title": "Privilege escalation to cluster-admin on the Rancher local cluster through Fleet's agent management controller", "datePublic": "2026-11-02T15:25:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-250", "description": "CWE-250 Execution with unnecessary privileges", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "affected": [{"vendor": "SUSE", "product": "Rancher", "packageName": "Fleet", "repo": "https://github.com/rancher/fleet", "versions": [{"status": "affected", "version": "0.16.0", "lessThan": "0.16.3", "versionType": "semver"}, {"status": "affected", "version": "0.15.0", "lessThan": "0.15.8", "versionType": "semver"}, {"status": "affected", "version": "0.14.0", "lessThan": "0.14.12", "versionType": "semver"}, {"status": "affected", "version": "0.13.0", "lessThan": "0.13.17", "versionType": "semver"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.16.0", "versionEndExcluding": "0.16.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.15.0", "versionEndExcluding": "0.15.8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.14.0", "versionEndExcluding": "0.14.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.13.0", "versionEndExcluding": "0.13.17"}]}]}], "descriptions": [{"lang": "en", "value": "SUSE Rancher Fleet clusters reference a kubeconfig secret that the controller uses to install and manage a Fleet agent on the target cluster. The controller did not sufficiently restrict which kubeconfig secrets a Fleet Cluster object was allowed to reference. As a result, a Fleet cluster defined in a namespace an ordinary user controls could be associated with administrative credentials for the management cluster itself, causing the controller to manage the management cluster on that user's behalf and to run that user's Fleet content there with elevated privileges. This affects SUSE Rancher Fleet 0.16.0 up to 0.16.3, 0.15.0 up to 0.15.8, 0.14.0 up to 0.14.12, 0.13.0 up to 0.13.17 and possible older versions.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "SUSE Rancher Fleet clusters reference a kubeconfig secret that the controller uses to install and manage a Fleet agent on the target cluster. The controller did not sufficiently restrict which kubeconfig secrets a Fleet <code>Cluster</code> object was allowed to reference. As a result, a Fleet cluster defined in a namespace an ordinary user controls could be associated with administrative credentials for the management cluster itself, causing the controller to manage the management cluster on that user's behalf and to run that user's Fleet content there with elevated privileges. This affects SUSE Rancher Fleet 0.16.0 up to 0.16.3, 0.15.0 up to 0.15.8, 0.14.0 up to 0.14.12, 0.13.0 up to 0.13.17 and possible older versions."}]}], "references": [{"url": "https://github.com/rancher/fleet/security/advisories/GHSA-qfmw-gw96-ffcr", "tags": ["vendor-advisory"]}], "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": "Kenzie Cuttler", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-02T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-94290"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-03T04:55:52.658Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-94290", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-02T16:13:30.631420Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-02T16:13:36.312Z"}}], "cna": {"title": "Privilege escalation to cluster-admin on the Rancher local cluster through Fleet's agent management controller", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Kenzie Cuttler"}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/rancher/fleet", "vendor": "SUSE", "product": "Rancher", "versions": [{"status": "affected", "version": "0.16.0", "lessThan": "0.16.3", "versionType": "semver"}, {"status": "affected", "version": "0.15.0", "lessThan": "0.15.8", "versionType": "semver"}, {"status": "affected", "version": "0.14.0", "lessThan": "0.14.12", "versionType": "semver"}, {"status": "affected", "version": "0.13.0", "lessThan": "0.13.17", "versionType": "semver"}], "packageName": "Fleet", "defaultStatus": "unaffected"}], "datePublic": "2026-11-02T15:25:00.000Z", "references": [{"url": "https://github.com/rancher/fleet/security/advisories/GHSA-qfmw-gw96-ffcr", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "SUSE Rancher Fleet clusters reference a kubeconfig secret that the controller uses to install and manage a Fleet agent on the target cluster. The controller did not sufficiently restrict which kubeconfig secrets a Fleet Cluster object was allowed to reference. As a result, a Fleet cluster defined in a namespace an ordinary user controls could be associated with administrative credentials for the management cluster itself, causing the controller to manage the management cluster on that user's behalf and to run that user's Fleet content there with elevated privileges. This affects SUSE Rancher Fleet 0.16.0 up to 0.16.3, 0.15.0 up to 0.15.8, 0.14.0 up to 0.14.12, 0.13.0 up to 0.13.17 and possible older versions.", "supportingMedia": [{"type": "text/html", "value": "SUSE Rancher Fleet clusters reference a kubeconfig secret that the controller uses to install and manage a Fleet agent on the target cluster. The controller did not sufficiently restrict which kubeconfig secrets a Fleet <code>Cluster</code> object was allowed to reference. As a result, a Fleet cluster defined in a namespace an ordinary user controls could be associated with administrative credentials for the management cluster itself, causing the controller to manage the management cluster on that user's behalf and to run that user's Fleet content there with elevated privileges. This affects SUSE Rancher Fleet 0.16.0 up to 0.16.3, 0.15.0 up to 0.15.8, 0.14.0 up to 0.14.12, 0.13.0 up to 0.13.17 and possible older versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-250", "description": "CWE-250 Execution with unnecessary privileges"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "0.16.3", "versionStartIncluding": "0.16.0"}, {"criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "0.15.8", "versionStartIncluding": "0.15.0"}, {"criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "0.14.12", "versionStartIncluding": "0.14.0"}, {"criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "0.13.17", "versionStartIncluding": "0.13.0"}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "shortName": "suse", "dateUpdated": "2026-11-02T15:30:36.252Z"}}}, "cveMetadata": {"cveId": "CVE-2026-94290", "state": "PUBLISHED", "dateUpdated": "2026-11-03T04:55:52.658Z", "dateReserved": "2026-09-21T09:33:25.369Z", "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "datePublished": "2026-11-02T15:29:41.052Z", "assignerShortName": "suse"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "Fleet", "product": "Rancher", "repo": "https://github.com/rancher/fleet", "vendor": "SUSE", "versions": [{"lessThan": "0.16.3", "status": "affected", "version": "0.16.0", "versionType": "semver"}, {"lessThan": "0.15.8", "status": "affected", "version": "0.15.0", "versionType": "semver"}, {"lessThan": "0.14.12", "status": "affected", "version": "0.14.0", "versionType": "semver"}, {"lessThan": "0.13.17", "status": "affected", "version": "0.13.0", "versionType": "semver"}]}], "source": "meissner@suse.de"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SUSE Rancher Fleet clusters reference a kubeconfig secret that the controller uses to install and manage a Fleet agent on the target cluster. The controller did not sufficiently restrict which kubeconfig secrets a Fleet Cluster object was allowed to reference. As a result, a Fleet cluster defined in a namespace an ordinary user controls could be associated with administrative credentials for the management cluster itself, causing the controller to manage the management cluster on that user's behalf and to run that user's Fleet content there with elevated privileges. This affects SUSE Rancher Fleet 0.16.0 up to 0.16.3, 0.15.0 up to 0.15.8, 0.14.0 up to 0.14.12, 0.13.0 up to 0.13.17 and possible older versions."}], "id": "CVE-2026-94290", "lastModified": "2026-11-03T05:18:55.230", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "meissner@suse.de", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-94290", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-02T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-11-02T16:17:45.190", "references": [{"source": "meissner@suse.de", "url": "https://github.com/rancher/fleet/security/advisories/GHSA-qfmw-gw96-ffcr"}], "sourceIdentifier": "meissner@suse.de", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-250"}], "source": "meissner@suse.de", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.16.0,0.16.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.15.0,0.15.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.14.0,0.14.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.13.0,0.13.17)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Rancher", "source": "cna", "vendor": "SUSE"}, "product": "rancher", "vendor": "suse"}], "created": "2026-11-02T16:45:17.718288+00:00", "updated": "2026-11-02T17:45:12.003195+00:00", "vendors": ["suse", "suse$PRODUCT$rancher"]}