diff --git a/alerting/src/main/kotlin/org/opensearch/alerting/MonitorRunner.kt b/alerting/src/main/kotlin/org/opensearch/alerting/MonitorRunner.kt
index c88c77a77..2b63dfc64 100644
--- a/alerting/src/main/kotlin/org/opensearch/alerting/MonitorRunner.kt
+++ b/alerting/src/main/kotlin/org/opensearch/alerting/MonitorRunner.kt
@@ -23,6 +23,7 @@ import org.opensearch.alerting.util.destinationmigration.sendNotification
 import org.opensearch.alerting.util.isAllowed
 import org.opensearch.alerting.util.isTestAction
 import org.opensearch.client.node.NodeClient
+import org.opensearch.commons.ConfigConstants
 import org.opensearch.commons.alerting.model.ActionRunResult
 import org.opensearch.commons.alerting.model.Monitor
 import org.opensearch.commons.alerting.model.MonitorRunResult
@@ -68,7 +69,10 @@ abstract class MonitorRunner {
             }
             if (!dryrun) {
                 val client = monitorCtx.client
-                client!!.threadPool().threadContext.stashContext().use {
+                val userStr = client!!.threadPool().threadContext
+                    .getTransient<String>(ConfigConstants.OPENSEARCH_SECURITY_USER_INFO_THREAD_CONTEXT)
+                client.threadPool().threadContext.stashContext().use {
+                    client.threadPool().threadContext.putTransient(ConfigConstants.OPENSEARCH_SECURITY_USER_INFO_THREAD_CONTEXT, userStr)
                     withClosableContext(
                         InjectorContextElement(
                             monitor.id,