diff --git a/pkg/services/ngalert/api.go b/pkg/services/ngalert/api.go
index 28143cd3679..a4305328af6 100644
--- a/pkg/services/ngalert/api.go
+++ b/pkg/services/ngalert/api.go
@@ -17,14 +17,14 @@ import (
 func (ng *AlertNG) registerAPIEndpoints() {
 	ng.RouteRegister.Group("/api/alert-definitions", func(alertDefinitions routing.RouteRegister) {
 		alertDefinitions.Get("", middleware.ReqSignedIn, routing.Wrap(ng.listAlertDefinitions))
-		alertDefinitions.Get("/eval/:alertDefinitionUID", ng.validateOrgAlertDefinition, routing.Wrap(ng.alertDefinitionEvalEndpoint))
+		alertDefinitions.Get("/eval/:alertDefinitionUID", middleware.ReqSignedIn, ng.validateOrgAlertDefinition, routing.Wrap(ng.alertDefinitionEvalEndpoint))
 		alertDefinitions.Post("/eval", middleware.ReqSignedIn, binding.Bind(evalAlertConditionCommand{}), routing.Wrap(ng.conditionEvalEndpoint))
-		alertDefinitions.Get("/:alertDefinitionUID", ng.validateOrgAlertDefinition, routing.Wrap(ng.getAlertDefinitionEndpoint))
-		alertDefinitions.Delete("/:alertDefinitionUID", ng.validateOrgAlertDefinition, routing.Wrap(ng.deleteAlertDefinitionEndpoint))
-		alertDefinitions.Post("/", middleware.ReqSignedIn, binding.Bind(saveAlertDefinitionCommand{}), routing.Wrap(ng.createAlertDefinitionEndpoint))
-		alertDefinitions.Put("/:alertDefinitionUID", ng.validateOrgAlertDefinition, binding.Bind(updateAlertDefinitionCommand{}), routing.Wrap(ng.updateAlertDefinitionEndpoint))
-		alertDefinitions.Post("/pause", ng.validateOrgAlertDefinition, binding.Bind(updateAlertDefinitionPausedCommand{}), routing.Wrap(ng.alertDefinitionPauseEndpoint))
-		alertDefinitions.Post("/unpause", ng.validateOrgAlertDefinition, binding.Bind(updateAlertDefinitionPausedCommand{}), routing.Wrap(ng.alertDefinitionUnpauseEndpoint))
+		alertDefinitions.Get("/:alertDefinitionUID", middleware.ReqSignedIn, ng.validateOrgAlertDefinition, routing.Wrap(ng.getAlertDefinitionEndpoint))
+		alertDefinitions.Delete("/:alertDefinitionUID", middleware.ReqEditorRole, ng.validateOrgAlertDefinition, routing.Wrap(ng.deleteAlertDefinitionEndpoint))
+		alertDefinitions.Post("/", middleware.ReqEditorRole, binding.Bind(saveAlertDefinitionCommand{}), routing.Wrap(ng.createAlertDefinitionEndpoint))
+		alertDefinitions.Put("/:alertDefinitionUID", middleware.ReqEditorRole, ng.validateOrgAlertDefinition, binding.Bind(updateAlertDefinitionCommand{}), routing.Wrap(ng.updateAlertDefinitionEndpoint))
+		alertDefinitions.Post("/pause", middleware.ReqEditorRole, binding.Bind(updateAlertDefinitionPausedCommand{}), routing.Wrap(ng.alertDefinitionPauseEndpoint))
+		alertDefinitions.Post("/unpause", middleware.ReqEditorRole, binding.Bind(updateAlertDefinitionPausedCommand{}), routing.Wrap(ng.alertDefinitionUnpauseEndpoint))
 	})
 
 	ng.RouteRegister.Group("/api/ngalert/", func(schedulerRouter routing.RouteRegister) {
diff --git a/pkg/services/ngalert/database.go b/pkg/services/ngalert/database.go
index aededd4c552..3edf08a58fb 100644
--- a/pkg/services/ngalert/database.go
+++ b/pkg/services/ngalert/database.go
@@ -224,6 +224,9 @@ func (ng *AlertNG) getAlertDefinitions(query *listAlertDefinitionsQuery) error {
 
 func (ng *AlertNG) updateAlertDefinitionPaused(cmd *updateAlertDefinitionPausedCommand) error {
 	return ng.SQLStore.WithDbSession(context.Background(), func(sess *sqlstore.DBSession) error {
+		if len(cmd.UIDs) == 0 {
+			return nil
+		}
 		placeHolders := strings.Builder{}
 		const separator = ", "
 		separatorVar := separator
diff --git a/pkg/services/ngalert/middleware.go b/pkg/services/ngalert/middleware.go
index 77566d3c213..066a18da013 100644
--- a/pkg/services/ngalert/middleware.go
+++ b/pkg/services/ngalert/middleware.go
@@ -6,15 +6,11 @@ import (
 
 func (ng *AlertNG) validateOrgAlertDefinition(c *models.ReqContext) {
 	uid := c.ParamsEscape(":alertDefinitionUID")
+
 	query := getAlertDefinitionByUIDQuery{UID: uid, OrgID: c.SignedInUser.OrgId}
 
 	if err := ng.getAlertDefinitionByUID(&query); err != nil {
 		c.JsonApiErr(404, "Alert definition not found", nil)
 		return
 	}
-
-	if c.OrgId != query.Result.OrgID {
-		c.JsonApiErr(403, "You are not allowed to edit/view alert definition", nil)
-		return
-	}
 }