---
id: CVE-2026-54680
title: >-
  Logging operator automates the deployment and configuration of Kubernetes
  logging pipelines
summary: >-
  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…
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-74
  - CWE-77
vendor: kube-logging
product: github.com/kube-logging/logging-operator
affected:
  - github.com/kube-logging/logging-operator < 0.0.0-20260608145523-cf437d7f1e05
patched:
  - github.com/kube-logging/logging-operator 0.0.0-20260608145523-cf437d7f1e05
published: '2026-07-29'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T20:12:43.783'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-54680'
references:
  - url: >-
      https://github.com/kube-logging/logging-operator/commit/cf437d7f1e056c78740bf5716ac8bdebcf002425
    label: security-advisories@github.com
  - url: 'https://github.com/kube-logging/logging-operator/releases/tag/6.6.0'
    label: security-advisories@github.com
  - url: >-
      https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h
    label: security-advisories@github.com
  - url: >-
      https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: 'https://github.com/advisories/GHSA-mjqf-28ph-426h'
tags:
  - nvd
  - ghsa
  - go
epss: 0.00785
epssPercentile: 0.54211
aliases:
  - GHSA-mjqf-28ph-426h
ecosystem: go
ingestedAt: '2026-07-29T17:48:50.120Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2026-54680)

Affected packages:

- `github.com/kube-logging/logging-operator < 0.0.0-20260608145523-cf437d7f1e05`

Patched in:

- `github.com/kube-logging/logging-operator 0.0.0-20260608145523-cf437d7f1e05`

Source: https://github.com/advisories/GHSA-mjqf-28ph-426h