GO-2026-5527 Argo Affected by SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go) in github.com/argoproj/argo-workflows

Argo Affected by SSO RBAC Delegation Nil Pointer Dereference DoS gatekeeper.go in github.com/argoproj/argo-workflows...

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

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...

Argo Affected by SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Summary A nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a namespace-level RBAC rule but not an SSO-namespace rule, when SSODELEGATERBACTONAMESPACE=true. Details When getServiceAccountclaims, ssoNamespace...

GHSA-P4GQ-3VXJ-F4JQ Argo Affected by SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Summary A nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a namespace-level RBAC rule but not an SSO-namespace rule, when SSODELEGATERBACTONAMESPACE=true. Details When getServiceAccountclaims, ssoNamespace...