FKIE_CVE-2026-113709

Vulnerability from fkie_nvd - Published: 2026-10-20 19:17 - Updated: 2026-10-20 19:59
Severity
9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
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.
References
security-advisories@github.comhttps://argo-cd.readthedocs.io/en/stable/user-guide/kustomize/#kustomizing-helm-charts
security-advisories@github.comhttps://github.com/argoproj/argo-cd/commit/b6d5c23bce2f8a46c52975ba438a3b93d242d96c
security-advisories@github.comhttps://github.com/argoproj/argo-cd/pull/6059
security-advisories@github.comhttps://github.com/argoproj/argo-cd/releases/tag/v3.3.15
security-advisories@github.comhttps://github.com/argoproj/argo-cd/releases/tag/v3.4.10
security-advisories@github.comhttps://github.com/argoproj/argo-cd/releases/tag/v3.5.4
security-advisories@github.comhttps://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2
security-advisories@github.comhttps://github.com/argoproj/argo-cd/security/advisories/GHSA-fw5c-w8rc-j7fx
security-advisories@github.comhttps://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch
security-advisories@github.comhttps://github.com/kubernetes-sigs/kustomize/pull/3784
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "argo-cd",
          "vendor": "argoproj",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 2.1.0, \u003c 3.3.15"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.4.0-rc1, \u003c 3.4.10"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.5.0-rc1, \u003c 3.5.4"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.6.0-rc1, \u003c 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\u0027s config and data directories at a repository-controlled location. Helm automatically loads a downloader plugin from `\u003cconfigHome\u003e/.data/plugins` without a separate plugin-install step and executes its program inside argocd-repo-server when a helmCharts repository URL uses the plugin\u0027s 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": "2026-10-20T19:59:00.607",
  "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"
      }
    ]
  },
  "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": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-829"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}



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