Improper Validation of Array Index

Overview Affected versions of this package are vulnerable to Improper Validation of Array Index in the podGCFromPod function when parsing the workflows.argoproj.io/pod-gc-strategy annotation. An attacker can cause the controller process to crash and enter a persistent crash loop by creating a...

Improper Validation of Array Index

Overview Affected versions of this package are vulnerable to Improper Validation of Array Index in the podGCFromPod function when parsing the workflows.argoproj.io/pod-gc-strategy annotation. An attacker can cause the controller process to crash and enter a persistent crash loop by creating a...

Argo Workflows: Unchecked annotation parsing in pod informer crashes Argo Workflows Controller

Summary An unchecked array index in the pod informer's podGCFromPod function causes a controller-wide panic when a workflow pod carries a malformed workflows.argoproj.io/pod-gc-strategy annotation. Because the panic occurs inside an informer goroutine outside the controller's recover scope, it...

GHSA-5JV8-H7QH-RF5P Argo Workflows: Unchecked annotation parsing in pod informer crashes Argo Workflows Controller

Summary An unchecked array index in the pod informer's podGCFromPod function causes a controller-wide panic when a workflow pod carries a malformed workflows.argoproj.io/pod-gc-strategy annotation. Because the panic occurs inside an informer goroutine outside the controller's recover scope, it...

CVE-2026-40886

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From 3.6.5 to 4.0.4, an unchecked array index in the pod informer's podGCFromPod function causes a controller-wide panic when a workflow pod carries a malformed...

CVE-2026-40886 Argo Workflows: Unchecked annotation parsing in pod informer crashes Argo Workflows controller

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From 3.6.5 to 4.0.4, an unchecked array index in the pod informer's podGCFromPod function causes a controller-wide panic when a workflow pod carries a malformed...

CVE-2026-40886

The CVE describes an unchecked array index in Argo Workflows’ pod informer, specifically in podGCFromPod(), which can cause a controller-wide panic when a workflow pod has a malformed workflows.argoproj.io/pod-gc-strategy annotation. Affected versions span 3.6.5 through 4.0.4, with the panic occu...

PT-2026-34719

Name of the Vulnerable Software and Affected Versions Argo Workflows versions 3.6.5 through 3.6.19 Argo Workflows versions 3.7.0-rc1 through 3.7.12 Argo Workflows versions 4.0.0-rc1 through 4.0.4 Description An unchecked array index in the pod informer's podGCFromPod function causes a...