CVE-2026-42297— Argo Workflows Is Missing Authorization in Sync ConfigMap Provider
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I. Basic Information for CVE-2026-42297
Vulnerability Information
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Vulnerability Title
Argo Workflows Is Missing Authorization in Sync ConfigMap Provider
Source: NVD (National Vulnerability Database)
Vulnerability Description
Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, the Sync Service's ConfigMap-backed provider (server/sync/sync_cm.go) performs zero authorization checks on all CRUD operations (create, read, update, delete). Any authenticated user — including those using fake Bearer tokens — can create, read, update, and delete Kubernetes ConfigMaps containing synchronization limits. This issue has been patched in version 4.0.5.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Argo Workflows 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Argo Workflows是Argo项目的一个用于 Kubernetes 的开源容器原生工作流引擎。 Argo Workflows 4.0.0版本至4.0.5之前版本存在安全漏洞，该漏洞源于Sync Service的ConfigMap-backed提供程序对所有CRUD操作未执行授权检查，可能导致任何经过身份验证的用户创建、读取、更新和删除包含同步限制的Kubernetes ConfigMap。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| argoproj | argo-workflows | >= 4.0.0, < 4.0.5 | - |
II. Public POCs for CVE-2026-42297
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|---|
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Same Patch Batch · argoproj · 2026-05-09 · 5 CVEs total
| CVE-2026-42296 | 8.1 HIGH | Argo Workflows has incomplete fix for CVE-2026-31892: hostNetwork, securityContext, servic |
| CVE-2026-42294 | Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in Webhook Interceptor | |
| CVE-2026-42183 | Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go) | |
| CVE-2026-42295 | Argo Workflows: Exposure of artifact repository credentials |
IV. Related Vulnerabilities
Same product: argo-workflows
- CVE-2026-42296
Argo Workflows has incomplete fix for CVE-2026-31892: hostNe - CVE-2026-42295
Argo Workflows: Exposure of artifact repository credentials - CVE-2026-42294
Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in W - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-40886
Argo Workflows: Unchecked annotation parsing in pod informer
Same vendor: argoproj
- CVE-2026-42296
Argo Workflows has incomplete fix for CVE-2026-31892: hostNe - CVE-2026-42295
Argo Workflows: Exposure of artifact repository credentials - CVE-2026-42294
Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in W - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-42880
ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Ext
Same weakness: CWE-862
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V. Comments for CVE-2026-42297
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