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    CVE-2026-28229

    Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to 4.0.2 and 3.7.11, Workflow templates endpoints allow any client to retrieve WorkflowTemplates (and ClusterWorkflowTemplates). Any request with a Authorization: Bearer nothing token can leak sensitive template content, including embedded Secret manifests. This vulnerability is fixed in 4.0.2 and 3.7.11.

    Published:Mar 11, 2026
    Last Modified:Mar 23, 2026
    EPS:Mar 11, 2026
    EPSS Score:0.00043
    CVSS Score:9.8

    Affected Products

    Vendor
    Argoproj
    Product
    Argo-workflows
    Vendor
    Argoproj
    Product
    Argo Workflows

    Exploits

    https://github.com/argoproj/argo-workflows/security/advisories/GHSA-56px-hm34-xqj5

    Related CVEs

    CVE-2026-54526 (CVSS 8.9) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-42296 (CVSS 8.1) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-42295 (CVSS 8.5) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-42294 (CVSS 8.2) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-42183 (CVSS 2.3) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-42297 (CVSS 8.5) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-40886 (CVSS 7.7) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-31892 (CVSS 8.9) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2026-23960 (CVSS 7.3) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…
    CVE-2025-66626 (CVSS 8.1) — Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernete…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High