CVE-2026-41184
ServiceAccount token disclosure via install-cni container logs
In Calico, the install-cni init container logs the rendered CNI configuration to standard output. When the configuration template uses the __SERVICEACCOUNT_TOKEN__ placeholder (Canal/Flannel-Calico deployments), the installer substitutes the live Kubernetes ServiceAccount bearer token before logging, exposing the token to any authenticated user with pods/log permission in the namespace with calico-node. The token holds patch privileges on pods/status, enabling annotation-based attacks against cluster workloads. The default kubeconfig-based authentication path is not affected. This is a direct regression of TTA-2018-001.
| CWE | CWE-532 |
| Vendor | tigera |
| Product | calico |
| Published | May 28, 2026 |
| Last Updated | May 28, 2026 |
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