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CVE PROGRAM SOURCE RECORD8.3 High

CVE-2026-93991

Argo Workflows 4.1.0 through 4.1.3 Cross-Namespace Disclosure via Negated Selector

Description

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespace-scoped list permissions can use a negated namespace field selector to retrieve archived workflows from all other namespaces, exposing spec arguments, parameter values, and annotations.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

argoproj argo-workflows

Default version status: unaffected

  • 4.1.0 to < 4.1.4affected
pkg:golang/github.com/argoproj/argo-workflows/v4

References