diff --git a/.changeset/itchy-mirrors-greet.md b/.changeset/itchy-mirrors-greet.md
new file mode 100644
index 0000000000..3cd0dc6c35
--- /dev/null
+++ b/.changeset/itchy-mirrors-greet.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend': patch
+---
+
+Replace getBearerToken with library function of same
diff --git a/plugins/catalog-backend/package.json b/plugins/catalog-backend/package.json
index b22541bda1..d2bc040879 100644
--- a/plugins/catalog-backend/package.json
+++ b/plugins/catalog-backend/package.json
@@ -53,6 +53,7 @@
     "@backstage/config": "workspace:^",
     "@backstage/errors": "workspace:^",
     "@backstage/integration": "workspace:^",
+    "@backstage/plugin-auth-node": "workspace:^",
     "@backstage/plugin-catalog-common": "workspace:^",
     "@backstage/plugin-catalog-node": "workspace:^",
     "@backstage/plugin-permission-common": "workspace:^",
diff --git a/plugins/catalog-backend/src/service/createRouter.ts b/plugins/catalog-backend/src/service/createRouter.ts
index 5ac1f2eda7..997cd481a6 100644
--- a/plugins/catalog-backend/src/service/createRouter.ts
+++ b/plugins/catalog-backend/src/service/createRouter.ts
@@ -53,6 +53,7 @@ import {
 import type { ApiRouter } from '@backstage/backend-openapi-utils';
 import spec from '../schema/openapi.generated';
 import { PluginTaskScheduler } from '@backstage/backend-tasks';
+import { getBearerTokenFromAuthorizationHeader } from '@backstage/plugin-auth-node';
 
 /**
  * Options used by {@link createRouter}.
@@ -101,7 +102,7 @@ export async function createRouter(
   if (refreshService) {
     router.post('/refresh', async (req, res) => {
       const refreshOptions: RefreshOptions = req.body;
-      refreshOptions.authorizationToken = getBearerToken(
+      refreshOptions.authorizationToken = getBearerTokenFromAuthorizationHeader(
         req.header('authorization'),
       );
 
@@ -122,7 +123,9 @@ export async function createRouter(
           fields: parseEntityTransformParams(req.query),
           order: parseEntityOrderParams(req.query),
           pagination: parseEntityPaginationParams(req.query),
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
 
         // Add a Link header to the next page
@@ -140,7 +143,9 @@ export async function createRouter(
         const { items, pageInfo, totalItems } =
           await entitiesCatalog.queryEntities({
             ...parseQueryEntitiesParams(req.query),
-            authorizationToken: getBearerToken(req.header('authorization')),
+            authorizationToken: getBearerTokenFromAuthorizationHeader(
+              req.header('authorization'),
+            ),
           });
 
         res.json({
@@ -160,7 +165,9 @@ export async function createRouter(
         const { uid } = req.params;
         const { entities } = await entitiesCatalog.entities({
           filter: basicEntityFilter({ 'metadata.uid': uid }),
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         if (!entities.length) {
           throw new NotFoundError(`No entity with uid ${uid}`);
@@ -170,7 +177,9 @@ export async function createRouter(
       .delete('/entities/by-uid/:uid', async (req, res) => {
         const { uid } = req.params;
         await entitiesCatalog.removeEntityByUid(uid, {
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         res.status(204).end();
       })
@@ -182,7 +191,9 @@ export async function createRouter(
             'metadata.namespace': namespace,
             'metadata.name': name,
           }),
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         if (!entities.length) {
           throw new NotFoundError(
@@ -197,14 +208,18 @@ export async function createRouter(
           const { kind, namespace, name } = req.params;
           const entityRef = stringifyEntityRef({ kind, namespace, name });
           const response = await entitiesCatalog.entityAncestry(entityRef, {
-            authorizationToken: getBearerToken(req.header('authorization')),
+            authorizationToken: getBearerTokenFromAuthorizationHeader(
+              req.header('authorization'),
+            ),
           });
           res.status(200).json(response);
         },
       )
       .post('/entities/by-refs', async (req, res) => {
         const request = entitiesBatchRequest(req);
-        const token = getBearerToken(req.header('authorization'));
+        const token = getBearerTokenFromAuthorizationHeader(
+          req.header('authorization'),
+        );
         const response = await entitiesCatalog.entitiesBatch({
           entityRefs: request.entityRefs,
           fields: parseEntityTransformParams(req.query, request.fields),
@@ -216,7 +231,9 @@ export async function createRouter(
         const response = await entitiesCatalog.facets({
           filter: parseEntityFilterParams(req.query),
           facets: parseEntityFacetParams(req.query),
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         res.status(200).json(response);
       });
@@ -235,13 +252,17 @@ export async function createRouter(
         }
 
         const output = await locationService.createLocation(location, dryRun, {
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         res.status(201).json(output);
       })
       .get('/locations', async (req, res) => {
         const locations = await locationService.listLocations({
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         res.status(200).json(locations.map(l => ({ data: l })));
       })
@@ -249,7 +270,9 @@ export async function createRouter(
       .get('/locations/:id', async (req, res) => {
         const { id } = req.params;
         const output = await locationService.getLocation(id, {
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         res.status(200).json(output);
       })
@@ -258,7 +281,9 @@ export async function createRouter(
 
         const { id } = req.params;
         await locationService.deleteLocation(id, {
-          authorizationToken: getBearerToken(req.header('authorization')),
+          authorizationToken: getBearerTokenFromAuthorizationHeader(
+            req.header('authorization'),
+          ),
         });
         res.status(204).end();
       });
@@ -331,13 +356,3 @@ export async function createRouter(
   router.use(errorHandler());
   return router;
 }
-
-function getBearerToken(
-  authorizationHeader: string | undefined,
-): string | undefined {
-  if (typeof authorizationHeader !== 'string') {
-    return undefined;
-  }
-  const matches = authorizationHeader.match(/Bearer\s+(\S+)/i);
-  return matches?.[1];
-}
diff --git a/yarn.lock b/yarn.lock
index 712fd10e6f..8415e4b6ae 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5586,6 +5586,7 @@ __metadata:
     "@backstage/config": "workspace:^"
     "@backstage/errors": "workspace:^"
     "@backstage/integration": "workspace:^"
+    "@backstage/plugin-auth-node": "workspace:^"
     "@backstage/plugin-catalog-common": "workspace:^"
     "@backstage/plugin-catalog-node": "workspace:^"
     "@backstage/plugin-permission-common": "workspace:^"