diff --git a/ee/app/helpers/ee/projects_helper.rb b/ee/app/helpers/ee/projects_helper.rb
index ff8e2acb221b774cde786e795b2d1553452a1330..a314a9cc45330aa44d8d24431107e6b8545e6de2 100644
--- a/ee/app/helpers/ee/projects_helper.rb
+++ b/ee/app/helpers/ee/projects_helper.rb
@@ -145,6 +145,7 @@ def merge_trains_available?
     def sidebar_security_paths
       %w[
         projects/security/configuration#show
+        projects/security/vulnerabilities#show
         projects/security/dashboard#index
         projects/on_demand_scans#index
         projects/dependencies#index
diff --git a/ee/changelogs/unreleased/217503-expand-security-and-compliance-on-vulnerabilities-show.yml b/ee/changelogs/unreleased/217503-expand-security-and-compliance-on-vulnerabilities-show.yml
new file mode 100644
index 0000000000000000000000000000000000000000..a59be00175bbbfa331f2ed9942623d73ef3504b9
--- /dev/null
+++ b/ee/changelogs/unreleased/217503-expand-security-and-compliance-on-vulnerabilities-show.yml
@@ -0,0 +1,5 @@
+---
+title: Expand Security & Compliance tab when viewing Vulnerabilities Details page
+merge_request: 35855
+author:
+type: changed
diff --git a/ee/spec/helpers/projects_helper_spec.rb b/ee/spec/helpers/projects_helper_spec.rb
index 646613020a0c415fe591c4da68f7f2743994a13b..5e26d1b6aee3b8afe2e7eb43c3f09134ff09f938 100644
--- a/ee/spec/helpers/projects_helper_spec.rb
+++ b/ee/spec/helpers/projects_helper_spec.rb
@@ -138,6 +138,24 @@
     end
   end
 
+  describe '#sidebar_security_paths' do
+    let(:expected_security_paths) do
+      %w[
+        projects/security/configuration#show
+        projects/security/vulnerabilities#show
+        projects/security/dashboard#index
+        projects/on_demand_scans#index
+        projects/dependencies#index
+        projects/licenses#index
+        projects/threat_monitoring#show
+      ]
+    end
+
+    subject { helper.sidebar_security_paths }
+
+    it { is_expected.to eq(expected_security_paths) }
+  end
+
   describe '#get_project_nav_tabs' do
     using RSpec::Parameterized::TableSyntax