Temporal has an Incorrect Authorization vulnerability

When system.enableCrossNamespaceCommands is enabled on by default, the Temporal server permits certain workflow task commands e.g. StartChildWorkflowExecution, SignalExternalWorkflowExecution, RequestCancelExternalWorkflowExecution to target a different namespace than the namespace authorized at...

EUVD-2025-205855

When system.enableCrossNamespaceCommands is enabled on by default, the Temporal server permits certain workflow task commands e.g. StartChildWorkflowExecution, SignalExternalWorkflowExecution, RequestCancelExternalWorkflowExecution to target a different namespace than the namespace authorized at...

GHSA-HMHP-GH8M-C8XP Temporal has an Incorrect Authorization vulnerability

When system.enableCrossNamespaceCommands is enabled on by default, the Temporal server permits certain workflow task commands e.g. StartChildWorkflowExecution, SignalExternalWorkflowExecution, RequestCancelExternalWorkflowExecution to target a different namespace than the namespace authorized at...

CVE-2025-14987

When system.enableCrossNamespaceCommands is enabled on by default, the Temporal server permits certain workflow task commands e.g. StartChildWorkflowExecution, SignalExternalWorkflowExecution, RequestCancelExternalWorkflowExecution to target a different namespace than the namespace authorized at...

CVE-2025-14987

When system.enableCrossNamespaceCommands is enabled on by default, the Temporal server permits certain workflow task commands e.g. StartChildWorkflowExecution, SignalExternalWorkflowExecution, RequestCancelExternalWorkflowExecution to target a different namespace than the namespace authorized at...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the system.enableCrossNamespaceCommands when it is enabled on by default. An attacker can perform unauthorized actions in a different namespace by submitting workflow task commands that target namespaces othe...

CVE-2025-14987 Cross Namespace Commands Authorization Bypass

When system.enableCrossNamespaceCommands is enabled on by default, the Temporal server permits certain workflow task commands e.g. StartChildWorkflowExecution, SignalExternalWorkflowExecution, RequestCancelExternalWorkflowExecution to target a different namespace than the namespace authorized at...

CVE-2025-14987

CVE-2025-14987 : Temporal server has an Incorrect Authorization flaw when system.enableCrossNamespaceCommands is enabled (default on). The frontend validates RespondWorkflowTaskCompleted for the outer namespace, but the history service executes commands using the namespace embedded in command att...