diff --git a/src/main/java/org/jenkinsci/plugins/codedx/CodeDxPublisher.java b/src/main/java/org/jenkinsci/plugins/codedx/CodeDxPublisher.java
index 5880869..600593a 100644
--- a/src/main/java/org/jenkinsci/plugins/codedx/CodeDxPublisher.java
+++ b/src/main/java/org/jenkinsci/plugins/codedx/CodeDxPublisher.java
@@ -785,11 +785,14 @@ public class CodeDxPublisher extends Recorder implements SimpleBuildStep {
 			return FormValidation.ok();
 		}
 
+		@POST
 		public FormValidation doCheckSourceAndBinaryFiles(@QueryParameter final String value, @QueryParameter final boolean gitFetchConfiguration, @QueryParameter final String toolOutputFiles, @AncestorInPath AbstractProject project) {
 			if (project == null) {
 				return FormValidation.ok();
 			}
 
+			project.checkPermission(AbstractProject.CONFIGURE);
+
 			if (value.length() == 0) {
 				if (gitFetchConfiguration)
 					return FormValidation.ok();
@@ -802,20 +805,25 @@ public class CodeDxPublisher extends Recorder implements SimpleBuildStep {
 			return Util.checkCSVGlobMatches(value, project.getSomeWorkspace());
 		}
 
+		@POST
 		public FormValidation doCheckExcludedSourceAndBinaryFiles(@QueryParameter final String value, @AncestorInPath AbstractProject project) {
 			if (project == null) {
 				return FormValidation.ok();
 			} else {
+				project.checkPermission(AbstractProject.CONFIGURE);
 				return Util.checkCSVGlobMatches(value, project.getSomeWorkspace());
 			}
 		}
 
+		@POST
 		public FormValidation doCheckToolOutputFiles(@QueryParameter final String value, @QueryParameter final String sourceAndBinaryFiles, @QueryParameter final boolean gitFetchConfiguration, @AncestorInPath AbstractProject project) {
 
 			if (project == null) {
 				return FormValidation.ok();
 			}
 
+			project.checkPermission(AbstractProject.CONFIGURE);
+
 			if (value.length() == 0 && sourceAndBinaryFiles.length() == 0 && !gitFetchConfiguration) {
 				return FormValidation.error("You must specify \"Tool Output Files\" and/or \"Source and Binary Files\", or enable \"Include Git Source\"");
 			}
diff --git a/src/main/java/org/jenkinsci/plugins/codedx/Util.java b/src/main/java/org/jenkinsci/plugins/codedx/Util.java
index ef156ea..603858e 100755
--- a/src/main/java/org/jenkinsci/plugins/codedx/Util.java
+++ b/src/main/java/org/jenkinsci/plugins/codedx/Util.java
@@ -67,10 +67,12 @@ public class Util {
 
 		if(value.length() != 0  && workspace != null){
 
+			String basePath = workspace.getRemote();
 			for(String path : Util.commaSeparatedToArray(value)){
 
 				try {
-					if(path.length() == 0 || ! new FilePath(workspace, path).exists()){
+					FilePath subPath = new FilePath(workspace, path);
+					if(path.length() == 0 || !subPath.exists() || !subPath.absolutize().getRemote().startsWith(basePath)){
 
 						return FormValidation.warning(path + " does not exist in the workspace.");
 					}