CVE-2026-6720 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionWhen calicoctl is invoked with --log-level=info or --log-level=debug, the client prints the full contents of its loaded connection-configuration struct to stderr in a single log line. The struct embeds every credential calicoctl uses to talk to the cluster — inline kubeconfig (with bearer token), Kubernetes API bearer token, etcd password, and inline PEM-encoded etcd client certificate and key. Any reader of that stderr stream — CI job logs, session-recording archives, shared support-ticket transcripts, or local filesystem viewers on the host that ran calicoctl — can extract these credentials with zero Kubernetes privilege. calicoctl's default log level is panic, so this issue only triggers when verbose logging is explicitly enabled. Metrics
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Weakness Enumeration
Quick InfoCVE Dictionary Entry:CVE-2026-6720 NVD Published Date: 05/28/2026 NVD Last Modified: 05/28/2026 Source: Tigera, Inc. |
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