{"id":"CVE-2026-75033","state":"PUBLISHED","title":"Rancher: Cross-Cluster Secret Leakage via Namespace projectId Annotation Spoofing","description":"A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its `field.cattle.io/projectId` annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the annotation to a project ID from another cluster and have that project's secrets copied into a namespace under their control.\n\n\nThis issue affects Rancher: before 2.15.1.","publishedAt":"2026-09-03T14:57:34.334Z","updatedAt":"2026-09-03T15:13:54.624Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","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/releases/tag/v2.15.1"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/75xxx/CVE-2026-75033.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75033","state":"PUBLISHED","datePublished":"2026-09-03T14:57:34.334Z","dateUpdated":"2026-09-03T15:13:54.624Z","assignerShortName":"suse","assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","dateReserved":"2026-08-17T15:22:54.443Z"},"containers":{"cna":{"title":"Rancher: Cross-Cluster Secret Leakage via Namespace projectId Annotation Spoofing","descriptions":[{"lang":"en","value":"A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its `field.cattle.io/projectId` annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the annotation to a project ID from another cluster and have that project's secrets copied into a namespace under their control.\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/releases/tag/v2.15.1"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":7.7,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"}}],"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":"2026-09-03T14:57:34.334Z"},"datePublic":"2026-08-31T14:52:00.000Z","impacts":[{"capecId":"CAPEC-21","descriptions":[{"lang":"en","value":"CAPEC-21 Exploitation of Trusted Identifiers"}]},{"capecId":"CAPEC-116","descriptions":[{"lang":"en","value":"CAPEC-116 Excavation"}]}],"credits":[{"lang":"en","value":"Alex Seymour","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-03T15:13:38.725376Z","id":"CVE-2026-75033","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-03T15:13:54.624Z"}}]}}}