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 workflows.argoproj.io/pod-gc-strategy annotation. Because the panic occurs inside an informer goroutine (outside the controller's recover() scope), it crashes the entire controller process. The poisoned pod persists across restarts, causing a crash loop that halts all workflow processing until the pod is manually deleted. This vulnerability is fixed in 4.0.5 and 3.7.14.
نوع الضعف
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 workflows.argoproj.io/pod-gc-strategy annotation. Because the panic occurs inside an informer goroutine (outside the controller's recover() scope), it crashes the entire controller process. The poisoned pod persists across restarts, causing a crash loop that halts all workflow processing until the pod is manually deleted. This vulnerability is fixed in 4.0.5 and 3.7.14.
المنتجات المتأثرة
- argoproj argo_workflows
المراجع
- https://github.com/argoproj/argo-workflows/security/advisories/GHSA-5jv8-h7qh-rf5p
- https://access.redhat.com/security/cve/CVE-2026-40886
- https://bugzilla.redhat.com/show_bug.cgi?id=2461236
- https://github.com/argoproj/argo-workflows/security/advisories/GHSA-5jv8-h7qh-rf5p
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40886.json
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