CVE-2026-75033

CVE-2026-75033 is a cross-cluster secret leakage vulnerability in Rancher Manager (before 2.15.1 ). Project Secrets were propagated into a namespace based solely on the field.cattle.io/projectId annotation, without verifying that the referenced project belonged to the same downstream cluster. An ...

CVE-2026-75033 Rancher: Cross-Cluster Secret Leakage via Namespace projectId Annotation Spoofing

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...