diff --git a/packages/server/src/controllers/feedback/index.test.ts b/packages/server/src/controllers/feedback/index.test.ts
new file mode 100644
index 00000000000..f22fa718d45
--- /dev/null
+++ b/packages/server/src/controllers/feedback/index.test.ts
@@ -0,0 +1,111 @@
+import { StatusCodes } from 'http-status-codes'
+import { Request, Response, NextFunction } from 'express'
+
+const mockGetChatflowByIdForWorkspace = jest.fn()
+const mockGetAllChatMessageFeedback = jest.fn()
+
+jest.mock('../../services/chatflows', () => ({
+    __esModule: true,
+    default: { getChatflowByIdForWorkspace: mockGetChatflowByIdForWorkspace }
+}))
+jest.mock('../../services/feedback', () => ({
+    __esModule: true,
+    default: { getAllChatMessageFeedback: mockGetAllChatMessageFeedback }
+}))
+jest.mock('../../services/feedback/validation', () => ({
+    validateFeedbackForCreation: jest.fn(),
+    validateFeedbackForUpdate: jest.fn()
+}))
+
+import feedbackController from './index'
+
+const CHATFLOW_ID = 'chatflow-1'
+const WORKSPACE_ID = 'workspace-1'
+
+const mockReq = (overrides: Partial<Request> = {}): Request =>
+    ({
+        params: { id: CHATFLOW_ID },
+        query: {},
+        user: { activeWorkspaceId: WORKSPACE_ID },
+        ...overrides
+    } as unknown as Request)
+
+const mockRes = (): Response => {
+    const res = {} as Response
+    res.json = jest.fn().mockReturnValue(res)
+    res.status = jest.fn().mockReturnValue(res)
+    return res
+}
+
+const mockNext = (): NextFunction => jest.fn()
+
+describe('getAllChatMessageFeedback', () => {
+    beforeEach(() => {
+        jest.clearAllMocks()
+        mockGetChatflowByIdForWorkspace.mockResolvedValue({ id: CHATFLOW_ID })
+        mockGetAllChatMessageFeedback.mockResolvedValue([])
+    })
+
+    it('calls next with PRECONDITION_FAILED when id is missing', async () => {
+        const req = mockReq({ params: {} as any })
+        const res = mockRes()
+        const next = mockNext()
+
+        await feedbackController.getAllChatMessageFeedback(req, res, next)
+
+        expect(next).toHaveBeenCalledWith(expect.objectContaining({ statusCode: StatusCodes.PRECONDITION_FAILED }))
+        expect(mockGetAllChatMessageFeedback).not.toHaveBeenCalled()
+    })
+
+    // Regression test for the unauthenticated IDOR: /api/v1/feedback is in WHITELIST_URLS,
+    // so an anonymous caller reaches this handler with no req.user. It must fail closed.
+    it('calls next with NOT_FOUND and does not read feedback when the caller is anonymous', async () => {
+        const req = mockReq({ user: undefined })
+        const res = mockRes()
+        const next = mockNext()
+
+        await feedbackController.getAllChatMessageFeedback(req, res, next)
+
+        expect(next).toHaveBeenCalledWith(expect.objectContaining({ statusCode: StatusCodes.NOT_FOUND }))
+        expect(mockGetChatflowByIdForWorkspace).not.toHaveBeenCalled()
+        expect(mockGetAllChatMessageFeedback).not.toHaveBeenCalled()
+    })
+
+    it('calls next with NOT_FOUND when the chatflow is not in the caller workspace', async () => {
+        mockGetChatflowByIdForWorkspace.mockResolvedValue(null)
+
+        const req = mockReq()
+        const res = mockRes()
+        const next = mockNext()
+
+        await feedbackController.getAllChatMessageFeedback(req, res, next)
+
+        expect(next).toHaveBeenCalledWith(expect.objectContaining({ statusCode: StatusCodes.NOT_FOUND }))
+        expect(mockGetAllChatMessageFeedback).not.toHaveBeenCalled()
+    })
+
+    it('scopes the ownership check to the caller active workspace', async () => {
+        const req = mockReq()
+        const res = mockRes()
+        const next = mockNext()
+
+        await feedbackController.getAllChatMessageFeedback(req, res, next)
+
+        expect(mockGetChatflowByIdForWorkspace).toHaveBeenCalledWith(CHATFLOW_ID, WORKSPACE_ID)
+    })
+
+    it('returns feedback when the chatflow belongs to the caller workspace', async () => {
+        const feedback = [{ id: 'feedback-1' }]
+        mockGetAllChatMessageFeedback.mockResolvedValue(feedback)
+
+        const req = mockReq({ query: { chatId: 'chat-1', order: 'ASC' } as any })
+        const res = mockRes()
+        const next = mockNext()
+
+        await feedbackController.getAllChatMessageFeedback(req, res, next)
+
+        expect(mockGetAllChatMessageFeedback).toHaveBeenCalledWith(CHATFLOW_ID, 'chat-1', 'ASC', undefined, undefined)
+        expect(res.json).toHaveBeenCalledWith(feedback)
+        expect(next).not.toHaveBeenCalled()
+    })
+})
diff --git a/packages/server/src/controllers/feedback/index.ts b/packages/server/src/controllers/feedback/index.ts
index a7286cf152b..70dbc58067b 100644
--- a/packages/server/src/controllers/feedback/index.ts
+++ b/packages/server/src/controllers/feedback/index.ts
@@ -1,4 +1,5 @@
 import { Request, Response, NextFunction } from 'express'
+import chatflowsService from '../../services/chatflows'
 import feedbackService from '../../services/feedback'
 import { validateFeedbackForCreation, validateFeedbackForUpdate } from '../../services/feedback/validation'
 import { InternalFlowiseError } from '../../errors/internalFlowiseError'
@@ -12,7 +13,21 @@ const getAllChatMessageFeedback = async (req: Request, res: Response, next: Next
                 `Error: feedbackController.getAllChatMessageFeedback - id not provided!`
             )
         }
+        const workspaceId = req.user?.activeWorkspaceId
+        if (!workspaceId) {
+            throw new InternalFlowiseError(
+                StatusCodes.NOT_FOUND,
+                `Error: feedbackController.getAllChatMessageFeedback - workspace ${workspaceId} not found!`
+            )
+        }
         const chatflowid = req.params.id
+        const chatflow = await chatflowsService.getChatflowByIdForWorkspace(chatflowid, workspaceId)
+        if (!chatflow) {
+            throw new InternalFlowiseError(
+                StatusCodes.NOT_FOUND,
+                `Error: feedbackController.getAllChatMessageFeedback - chatflow ${chatflowid} not found in workspace ${workspaceId}`
+            )
+        }
         const chatId = req.query?.chatId as string | undefined
         const sortOrder = req.query?.order as string | undefined
         const startDate = req.query?.startDate as string | undefined