diff --git a/api/strategies/openidStrategy.js b/api/strategies/openidStrategy.js
index 011676ecad..6a4e783d4a 100644
--- a/api/strategies/openidStrategy.js
+++ b/api/strategies/openidStrategy.js
@@ -371,6 +371,10 @@ async function setupOpenId() {
           const fullName = getFullName(userinfo);
 
           if (requiredRole) {
+            const requiredRoles = requiredRole
+              .split(',')
+              .map((role) => role.trim())
+              .filter(Boolean);
             let decodedToken = '';
             if (requiredRoleTokenKind === 'access') {
               decodedToken = jwtDecode(tokenset.access_token);
@@ -393,9 +397,13 @@ async function setupOpenId() {
               );
             }
 
-            if (!roles.includes(requiredRole)) {
+            if (!requiredRoles.some((role) => roles.includes(role))) {
+              const rolesList =
+                requiredRoles.length === 1
+                  ? `"${requiredRoles[0]}"`
+                  : `one of: ${requiredRoles.map((r) => `"${r}"`).join(', ')}`;
               return done(null, false, {
-                message: `You must have the "${requiredRole}" role to log in.`,
+                message: `You must have ${rolesList} role to log in.`,
               });
             }
           }
diff --git a/api/strategies/openidStrategy.spec.js b/api/strategies/openidStrategy.spec.js
index de033b01f8..35841e3783 100644
--- a/api/strategies/openidStrategy.spec.js
+++ b/api/strategies/openidStrategy.spec.js
@@ -338,7 +338,25 @@ describe('setupOpenId', () => {
 
     // Assert – verify that the strategy rejects login
     expect(user).toBe(false);
-    expect(details.message).toBe('You must have the "requiredRole" role to log in.');
+    expect(details.message).toBe('You must have "requiredRole" role to log in.');
+  });
+
+  it('should allow login when single required role is present (backward compatibility)', async () => {
+    // Arrange – ensure single role configuration (as set in beforeEach)
+    // OPENID_REQUIRED_ROLE = 'requiredRole'
+    // Default jwtDecode mock in beforeEach already returns this role
+    jwtDecode.mockReturnValue({
+      roles: ['requiredRole', 'anotherRole'],
+    });
+
+    // Act
+    const { user } = await validate(tokenset);
+
+    // Assert – verify that login succeeds with single role configuration
+    expect(user).toBeTruthy();
+    expect(user.email).toBe(tokenset.claims().email);
+    expect(user.username).toBe(tokenset.claims().preferred_username);
+    expect(createUser).toHaveBeenCalled();
   });
 
   it('should attempt to download and save the avatar if picture is provided', async () => {
@@ -364,6 +382,58 @@ describe('setupOpenId', () => {
     // Depending on your implementation, user.avatar may be undefined or an empty string.
   });
 
+  it('should support comma-separated multiple roles', async () => {
+    // Arrange
+    process.env.OPENID_REQUIRED_ROLE = 'someRole,anotherRole,admin';
+    await setupOpenId(); // Re-initialize the strategy
+    verifyCallback = require('openid-client/passport').__getVerifyCallback();
+    jwtDecode.mockReturnValue({
+      roles: ['anotherRole', 'aThirdRole'],
+    });
+
+    // Act
+    const { user } = await validate(tokenset);
+
+    // Assert
+    expect(user).toBeTruthy();
+    expect(user.email).toBe(tokenset.claims().email);
+  });
+
+  it('should reject login when user has none of the required multiple roles', async () => {
+    // Arrange
+    process.env.OPENID_REQUIRED_ROLE = 'someRole,anotherRole,admin';
+    await setupOpenId(); // Re-initialize the strategy
+    verifyCallback = require('openid-client/passport').__getVerifyCallback();
+    jwtDecode.mockReturnValue({
+      roles: ['aThirdRole', 'aFourthRole'],
+    });
+
+    // Act
+    const { user, details } = await validate(tokenset);
+
+    // Assert
+    expect(user).toBe(false);
+    expect(details.message).toBe(
+      'You must have one of: "someRole", "anotherRole", "admin" role to log in.',
+    );
+  });
+
+  it('should handle spaces in comma-separated roles', async () => {
+    // Arrange
+    process.env.OPENID_REQUIRED_ROLE = ' someRole , anotherRole , admin ';
+    await setupOpenId(); // Re-initialize the strategy
+    verifyCallback = require('openid-client/passport').__getVerifyCallback();
+    jwtDecode.mockReturnValue({
+      roles: ['someRole'],
+    });
+
+    // Act
+    const { user } = await validate(tokenset);
+
+    // Assert
+    expect(user).toBeTruthy();
+  });
+
   it('should default to usePKCE false when OPENID_USE_PKCE is not defined', async () => {
     const OpenIDStrategy = require('openid-client/passport').Strategy;