CVE-2026-42296 Argo Workflows has incomplete fix for CVE-2026-31892: hostNetwork, securityContext, serviceAccountName bypass templateReferencing Strict/Secure

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, a user with create Workflow permission can bypass templateReferencing: Strict to get host network access, switch service accounts, override pod...

CVE-2026-42296

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, a user with create Workflow permission can bypass templateReferencing: Strict to get host network access, switch service accounts, override pod...

CVE-2026-42295

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 workflow executor logs all artifact repository credentials S3 access keys, secret keys, GCS service account keys, Azure account keys, Gi...

CVE-2026-42295 Argo Workflows: Exposure of artifact repository credentials

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 workflow executor logs all artifact repository credentials S3 access keys, secret keys, GCS service account keys, Azure account keys, Gi...

CVE-2026-42295

Affected product/version: Argo Workflows up to 4.0.4 (before 4.0.5). Vulnerability: The workflow executor logs all artifact repository credentials (S3 keys, GCS keys, Azure keys, Git passwords, etc.) in plaintext during artifact operations. This allows any user with read access to workflow pod lo...

EUVD-2026-28893

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 workflow executor logs all artifact repository credentials S3 access keys, secret keys, GCS service account keys, Azure account keys, Gi...

CVE-2026-42295 Argo Workflows: Exposure of artifact repository credentials

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 workflow executor logs all artifact repository credentials S3 access keys, secret keys, GCS service account keys, Azure account keys, Gi...

CVE-2026-42294

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, the Webhook Interceptor loads the entire request body into memory before authenticating the request or verifying its signature. This occurs on the...

CVE-2026-42294 Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in Webhook Interceptor

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, the Webhook Interceptor loads the entire request body into memory before authenticating the request or verifying its signature. This occurs on the...

CVE-2026-42294

Argo Workflows contains a memory exhaustion (DoS) vulnerability in the Webhook Interceptor. Before versions 3.7.14 and 4.0.5, the handler at /api/v1/events/ reads the entire request body into memory prior to authenticating/verifying the signature, enabling an attacker to send extremely large payl...

EUVD-2026-28892

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, the Webhook Interceptor loads the entire request body into memory before authenticating the request or verifying its signature. This occurs on the...

CVE-2026-42294 Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in Webhook Interceptor

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, the Webhook Interceptor loads the entire request body into memory before authenticating the request or verifying its signature. This occurs on the...

CVE-2026-42294 Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in Webhook Interceptor

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, the Webhook Interceptor loads the entire request body into memory before authenticating the request or verifying its signature. This occurs on the...

EUVD-2026-28891

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, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

CVE-2026-42183

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, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

CVE-2026-42183 Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

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, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

CVE-2026-42183

CVE-2026-42183 affects Argo Workflows (versions 4.0.0–4.0.4) where a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization() can cause a denial of service for SSO users when SSO_DELEGATE_RBAC_TO_NAMESPACE is true. The issue arises for claims matching a namespace-level RBAC rule b...

CVE-2026-42183 Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

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, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

CVE-2026-42297 Argo Workflows Is Missing Authorization in Sync ConfigMap Provider

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/synccm.go performs zero authorization checks on all CRUD operations create, read,...

CVE-2026-42297

CVE-2026-42297 concerns Argo Workflows, where the Sync Service's ConfigMap-backed provider (server/sync/sync_cm.go) allows zero authorization checks on all CRUD operations. From 4.0.0 up to just before 4.0.5, any authenticated user (including fake Bearer tokens) could create, read, update, or del...