diff --git a/backend/src/auth/RIGHTS.ts b/backend/src/auth/RIGHTS.ts
index a62a09bee..4f144f1e9 100644
--- a/backend/src/auth/RIGHTS.ts
+++ b/backend/src/auth/RIGHTS.ts
@@ -34,6 +34,7 @@ export enum RIGHTS {
   COMMUNITY_STATISTICS = 'COMMUNITY_STATISTICS',
   SEARCH_ADMIN_USERS = 'SEARCH_ADMIN_USERS',
   CREATE_CONTRIBUTION_MESSAGE = 'CREATE_CONTRIBUTION_MESSAGE',
+  LIST_ALL_CONTRIBUTION_MESSAGES = 'LIST_ALL_CONTRIBUTION_MESSAGES',
   // Admin
   SEARCH_USERS = 'SEARCH_USERS',
   SET_USER_ROLE = 'SET_USER_ROLE',
diff --git a/backend/src/auth/ROLES.ts b/backend/src/auth/ROLES.ts
index bad18db9e..eabaf8e99 100644
--- a/backend/src/auth/ROLES.ts
+++ b/backend/src/auth/ROLES.ts
@@ -32,6 +32,7 @@ export const ROLE_USER = new Role('user', [
   RIGHTS.LIST_CONTRIBUTION_LINKS,
   RIGHTS.COMMUNITY_STATISTICS,
   RIGHTS.CREATE_CONTRIBUTION_MESSAGE,
+  RIGHTS.LIST_ALL_CONTRIBUTION_MESSAGES,
 ])
 export const ROLE_ADMIN = new Role('admin', Object.values(RIGHTS)) // all rights
 
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index f9538851b..1b63c90d2 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -98,8 +98,8 @@ export class ContributionResolver {
       .createQueryBuilder()
       .select('c')
       .from(dbContribution, 'c')
-      .innerJoinAndSelect('c.messages', 'm')
-      .innerJoinAndSelect('m.user', 'u')
+      .leftJoinAndSelect('c.messages', 'm')
+      .leftJoinAndSelect('m.user', 'u')
       .orderBy('c.createdAt', order)
       .limit(pageSize)
       .offset((currentPage - 1) * pageSize)