CVE-2026-113709

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From 2.1.0 until 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2, when an operator has enabled --enable-helm for kustomize build, helmGlobals.configHome can point Helm's config and data directories at a repository-controlled location. Helm automatically loads a downloader plugin from `<configHome>/.data/plugins` without a separate plugin-install step and executes its program inside argocd-repo-server when a helmCharts repository URL uses the plugin's protocol. The command runs as the repo-server user and can read repository credentials and other process-accessible data. An attacker can commit the Kustomization and plugin to a Git repository that an Application builds or upload the files through POST /api/v1/applications/manifestsWithFiles, also exposed by argocd app diff --local --server-side-generate. The upload path requires only Application get permission on an existing Application, without Application update or sync permission or repository write access. Both delivery paths require prior operator enablement of --enable-helm; deployments that do not enable it are not affected. Kustomize 4.1.0 first passed helmGlobals.configHome through to Helm. This issue is fixed in versions 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2."}], "source": {"advisory": "GHSA-fw5c-w8rc-j7fx", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-21T14:39:50.323448Z", "id": "CVE-2026-113709", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-21T15:52:55.778Z"}}]}}

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From 2.1.0 until 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2, when an operator has enabled --enable-helm for kustomize build, helmGlobals.configHome can point Helm's config and data directories at a repository-controlled location. Helm automatically loads a downloader plugin from `<configHome>/.data/plugins` without a separate plugin-install step and executes its program inside argocd-repo-server when a helmCharts repository URL uses the plugin's protocol. The command runs as the repo-server user and can read repository credentials and other process-accessible data. An attacker can commit the Kustomization and plugin to a Git repository that an Application builds or upload the files through POST /api/v1/applications/manifestsWithFiles, also exposed by argocd app diff --local --server-side-generate. The upload path requires only Application get permission on an existing Application, without Application update or sync permission or repository write access. Both delivery paths require prior operator enablement of --enable-helm; deployments that do not enable it are not affected. Kustomize 4.1.0 first passed helmGlobals.configHome through to Helm. This issue is fixed in versions 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2."}], "source": {"advisory": "GHSA-fw5c-w8rc-j7fx", "discovery": "UNKNOWN"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-113709", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-21T14:39:50.323448Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-21T14:39:51.197Z"}}]}}

{"affected": [{"affectedData": [{"product": "argo-cd", "vendor": "argoproj", "versions": [{"status": "affected", "version": ">= 2.1.0, < 3.3.15"}, {"status": "affected", "version": ">= 3.4.0-rc1, < 3.4.10"}, {"status": "affected", "version": ">= 3.5.0-rc1, < 3.5.4"}, {"status": "affected", "version": ">= 3.6.0-rc1, < 3.6.0-rc2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. From 2.1.0 until 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2, when an operator has enabled --enable-helm for kustomize build, helmGlobals.configHome can point Helm's config and data directories at a repository-controlled location. Helm automatically loads a downloader plugin from `<configHome>/.data/plugins` without a separate plugin-install step and executes its program inside argocd-repo-server when a helmCharts repository URL uses the plugin's protocol. The command runs as the repo-server user and can read repository credentials and other process-accessible data. An attacker can commit the Kustomization and plugin to a Git repository that an Application builds or upload the files through POST /api/v1/applications/manifestsWithFiles, also exposed by argocd app diff --local --server-side-generate. The upload path requires only Application get permission on an existing Application, without Application update or sync permission or repository write access. Both delivery paths require prior operator enablement of --enable-helm; deployments that do not enable it are not affected. Kustomize 4.1.0 first passed helmGlobals.configHome through to Helm. This issue is fixed in versions 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2."}], "id": "CVE-2026-113709", "lastModified": "2026-10-21T16:17:24.917", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-113709", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-21T14:39:50.323448Z", "version": "2.0.3"}}]}, "published": "2026-10-20T19:17:33.457", "references": [{"source": "security-advisories@github.com", "url": "https://argo-cd.readthedocs.io/en/stable/user-guide/kustomize/#kustomizing-helm-charts"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/commit/b6d5c23bce2f8a46c52975ba438a3b93d242d96c"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/pull/6059"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.3.15"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.4.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.5.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/security/advisories/GHSA-fw5c-w8rc-j7fx"}, {"source": "security-advisories@github.com", "url": "https://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch"}, {"source": "security-advisories@github.com", "url": "https://github.com/kubernetes-sigs/kustomize/pull/3784"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-829"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "github.com/argoproj/argo-cd/v3: github.com/argoproj/argo-cd/v2: argo-cd: argocd: A Kustomize Helm config home can run commands in the repo-server", "id": "2550667", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550667"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-829", "details": ["A flaw was found in Argo CD, where a Kustomize kustomization can point Helm at a repository-controlled directory and load a plugin that runs when Kustomize Helm rendering is enabled in the repo-server. This allows an attacker to execute arbitrary commands inside argocd-repo-server and read repository credentials and other data accessible to that process."], "name": "CVE-2026-113709", "package_state": [{"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Not affected", "package_name": "odf4/odf-multicluster-rhel9-operator", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-1/argocd-agent-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-1/argocd-image-updater-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-1/argocd-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-1/gitops-rhel9", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-1/gitops-rhel9-operator", "product_name": "Red Hat OpenShift GitOps"}], "public_date": "2026-10-07T16:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-113709\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-113709\nhttps://github.com/argoproj/argo-cd/commit/d5dd7019e\nhttps://github.com/argoproj/argo-cd/security/advisories/GHSA-fw5c-w8rc-j7fx"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.1.0,3.3.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.4.0-rc1,3.4.10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.5.0-rc1,3.5.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.6.0-rc1,3.6.0-rc2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "argo-cd", "source": "cna", "vendor": "argoproj"}, "product": "argo-cd", "vendor": "argoproj"}], "created": "2026-10-20T19:45:13.916814+00:00", "updated": "2026-10-20T20:00:14.532745+00:00", "vendors": ["argoproj", "argoproj$PRODUCT$argo-cd"]}