CVE-2026-54680

Logging operator automates the deployment and configuration of Kubernetes logging pipelines. Prior to 6.6.0, the Fluentd configuration renderer FluentRender in pkg/sdk/logging/model/render/fluent.go writes CRD strings such as Flow record_transformer.records values directly into fluent.conf without escaping, allowing a user who can create Flow resources to inject a Fluentd <match **> block using @type exec and execute arbitrary commands inside the Fluentd aggregator. This issue is fixed in version 6.6.0.

• CWE-74
• CWE-77

• https://github.com/kube-logging/logging-operator/commit/cf437d7f1e056c78740bf5716ac8bdebcf002425
• https://github.com/kube-logging/logging-operator/releases/tag/6.6.0
• https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h
• https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h

Published

Jul 29, 2026

Last Modified

Jul 30, 2026

Status

Received

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