{"id":"CVE-2026-54680","state":"PUBLISHED","title":"Logging operator has Fluentd configuration injection that allows remote code execution","description":"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.","publishedAt":"2026-07-29T16:57:16.913Z","updatedAt":"2026-07-30T13:56:07.649Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["kube-logging logging-operator"],"affected":[{"vendor":"kube-logging","product":"logging-operator","versions":[{"version":"< 6.6.0","status":"affected"}]}],"references":["https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h","https://github.com/kube-logging/logging-operator/commit/cf437d7f1e056c78740bf5716ac8bdebcf002425","https://github.com/kube-logging/logging-operator/releases/tag/6.6.0"],"weaknesses":["CWE-74","CWE-77"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54680.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54680","state":"PUBLISHED","datePublished":"2026-07-29T16:57:16.913Z","dateUpdated":"2026-07-30T13:56:07.649Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T22:53:58.561Z"},"containers":{"cna":{"title":"Logging operator has Fluentd configuration injection that allows remote code execution","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"kube-logging","product":"logging-operator","versions":[{"version":"< 6.6.0","status":"affected"}]}],"references":[{"url":"https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h","name":"https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/kube-logging/logging-operator/commit/cf437d7f1e056c78740bf5716ac8bdebcf002425","name":"https://github.com/kube-logging/logging-operator/commit/cf437d7f1e056c78740bf5716ac8bdebcf002425","tags":["x_refsource_MISC"]},{"url":"https://github.com/kube-logging/logging-operator/releases/tag/6.6.0","name":"https://github.com/kube-logging/logging-operator/releases/tag/6.6.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-74","lang":"en","description":"CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-77","lang":"en","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-29T16:57:16.913Z"},"source":{"advisory":"GHSA-mjqf-28ph-426h","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/kube-logging/logging-operator/security/advisories/GHSA-mjqf-28ph-426h","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T13:55:09.051843Z","id":"CVE-2026-54680","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-30T13:56:07.649Z"}}]}}}