=== RUN TestBatchWorkflowProtobuf_CrossNamespaceBypass 2026-05-28T16:32:09.932Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 1 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 2 TimerDuration 10s TimeSkipped 10s 2026-05-28T16:32:09.933Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 2 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 3 TimerDuration 17s TimeSkipped 17s 2026-05-28T16:32:09.933Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 3 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 4 TimerDuration 28.899999999s TimeSkipped 28.899999999s 2026-05-28T16:32:09.933Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 4 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 5 TimerDuration 49.129999999s TimeSkipped 49.129999999s 2026-05-28T16:32:09.934Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 5 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 6 TimerDuration 1m23.520999999s TimeSkipped 1m23.520999999s 2026-05-28T16:32:09.934Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 6 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 7 TimerDuration 2m21.985699999s TimeSkipped 2m21.985699999s 2026-05-28T16:32:09.934Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 7 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 8 TimerDuration 4m1.375689999s TimeSkipped 4m1.375689999s 2026-05-28T16:32:09.934Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 8 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 9 TimerDuration 5m0s TimeSkipped 5m0s 2026-05-28T16:32:09.934Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 9 Error namespace mismatch 2026/05/28 16:32:09 DEBUG Auto fire timer TimerID 10 TimerDuration 5m0s TimeSkipped 5m0s 2026-05-28T16:32:09.935Z error Failed to run batch operation due to namespace mismatch {"wf-id": "default-test-workflow-id", "wf-run-id": "default-test-run-id", "wf-namespace": "default-test-namespace", "error": "namespace mismatch", "logging-call-at": "/root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389"} go.temporal.io/server/common/log.(*zapLogger).Error /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/common/log/zap_logger.go:151 go.temporal.io/server/service/worker/batcher.(*activities).BatchActivityWithProtobuf /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/activities.go:389 reflect.Value.call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:581 reflect.Value.Call /root/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.8.linux-amd64/src/reflect/value.go:365 go.temporal.io/sdk/internal.executeFunction /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2190 go.temporal.io/sdk/internal.executeFunctionWithContext /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:2174 go.temporal.io/sdk/internal.(*activityEnvironmentInterceptor).ExecuteActivity /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_activity.go:349 go.temporal.io/sdk/internal.(*activityExecutor).ExecuteWithActualArgs /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1076 go.temporal.io/sdk/internal.(*activityExecutor).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_worker.go:1062 go.temporal.io/sdk/internal.(*activityExecutorWrapper).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1801 go.temporal.io/sdk/internal.(*activityTaskHandlerImpl).Execute /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_task_handlers.go:2299 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).executeActivityWithRetryForTest /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1466 go.temporal.io/sdk/internal.(*testWorkflowEnvironmentImpl).ExecuteActivity.func1 /root/go/pkg/mod/go.temporal.io/sdk@v1.35.0/internal/internal_workflow_testsuite.go:1276 2026/05/28 16:32:09 ERROR Activity error. WorkflowID default-test-workflow-id RunID default-test-run-id ActivityType BatchActivityWithProtobuf Attempt 10 Error namespace mismatch 2026/05/28 16:32:09 DEBUG handleActivityResult: *workflowservice.RespondActivityTaskFailedRequest. ActivityID 1 ActivityType BatchActivityWithProtobuf cve_2026_5199_repro_test.go:110: Workflow error: workflow execution error (type: BatchWorkflowProtobuf, workflowID: default-test-workflow-id, runID: default-test-run-id): activity error (type: BatchActivityWithProtobuf, scheduledEventID: 0, startedEventID: 0, identity: ): namespace mismatch cve_2026_5199_repro_test.go:111: Captured namespace in frontend client call: "" cve_2026_5199_repro_test.go:113: Error Trace: /root/.pruva/runs/cve-2026-5199-batcher_20260528-160814/external/temporal/service/worker/batcher/cve_2026_5199_repro_test.go:113 Error: Not equal: expected: "victim-ns" actual : "" Diff: --- Expected +++ Actual @@ -1 +1 @@ -victim-ns + Test: TestBatchWorkflowProtobuf_CrossNamespaceBypass Messages: VULNERABILITY CONFIRMED: frontend client received victim namespace instead of worker-bound namespace --- FAIL: TestBatchWorkflowProtobuf_CrossNamespaceBypass (0.10s) FAIL exit status 1 FAIL go.temporal.io/server/service/worker/batcher 0.128s