{"id":"CVE-2026-71404","state":"PUBLISHED","title":"Rancher: Ownership-less ClusterRole overwrite via attacker-controlled cr-name annotation on GlobalRole","description":"A flaw was found in Rancher Manager. The GlobalRole controller derived the target ClusterRole name from the user-settable `authz.management.cattle.io/cr-name` annotation and overwrote that object's rules without verifying ownership. A user with delegated GlobalRole create or update permission could point the annotation at any existing ClusterRole, such as `cluster-admin`, and revoke the permissions of every principal bound to it. The change persists after the malicious GlobalRole is deleted.\n\n\nThis issue affects Rancher: before 2.15.1.","publishedAt":"2026-09-03T14:51:44.678Z","updatedAt":"2026-09-03T15:07:12.467Z","severity":{"score":8.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H","source":"suse"},"assigner":"suse","products":["SUSE Rancher"],"affected":[{"vendor":"SUSE","product":"Rancher","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.15.1","versionType":"semver"}],"repo":"https://github.com/rancher/rancher"}],"references":["https://github.com/rancher/rancher/pull/56642","https://github.com/rancher/rancher/pull/56593"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71404.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71404","state":"PUBLISHED","datePublished":"2026-09-03T14:51:44.678Z","dateUpdated":"2026-09-03T15:07:12.467Z","assignerShortName":"suse","assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","dateReserved":"2026-08-06T11:38:54.896Z"},"containers":{"cna":{"title":"Rancher: Ownership-less ClusterRole overwrite via attacker-controlled cr-name annotation on GlobalRole","descriptions":[{"lang":"en","value":"A flaw was found in Rancher Manager. The GlobalRole controller derived the target ClusterRole name from the user-settable `authz.management.cattle.io/cr-name` annotation and overwrote that object's rules without verifying ownership. A user with delegated GlobalRole create or update permission could point the annotation at any existing ClusterRole, such as `cluster-admin`, and revoke the permissions of every principal bound to it. The change persists after the malicious GlobalRole is deleted.\n\n\nThis issue affects Rancher: before 2.15.1."}],"affected":[{"vendor":"SUSE","product":"Rancher","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.15.1","versionType":"semver"}],"repo":"https://github.com/rancher/rancher"}],"references":[{"url":"https://github.com/rancher/rancher/pull/56642","tags":["patch"]},{"url":"https://github.com/rancher/rancher/pull/56593","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639 Authorization bypass through User-Controlled key","type":"CWE"}]}],"providerMetadata":{"shortName":"suse","orgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","dateUpdated":"2026-09-03T14:51:44.678Z"},"impacts":[{"capecId":"CAPEC-176","descriptions":[{"lang":"en","value":"CAPEC-176 Configuration/Environment Manipulation"}]},{"capecId":"CAPEC-77","descriptions":[{"lang":"en","value":"CAPEC-77 Manipulating User-Controlled Variables"}]},{"capecId":"CAPEC-240","descriptions":[{"lang":"en","value":"CAPEC-240 Resource Injection"}]}],"credits":[{"lang":"en","value":"https://github.com/Pig-Tail","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-03T15:06:03.098792Z","id":"CVE-2026-71404","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-03T15:07:12.467Z"}}]}}}