diff --git a/front/lib/resources/agent_message_feedback_resource.ts b/front/lib/resources/agent_message_feedback_resource.ts
index 0dc1fcfd61d6..874d332e14d5 100644
--- a/front/lib/resources/agent_message_feedback_resource.ts
+++ b/front/lib/resources/agent_message_feedback_resource.ts
@@ -145,6 +145,21 @@ export class AgentMessageFeedbackResource extends BaseResource<AgentMessageFeedb
     return feedbacks;
   }
 
+  static async fetchById(
+    id: string
+  ): Promise<AgentMessageFeedbackResource | null> {
+    const agentMessageFeedback = await AgentMessageFeedback.findByPk(id);
+
+    if (!agentMessageFeedback) {
+      return null;
+    }
+
+    return new AgentMessageFeedbackResource(
+      AgentMessageFeedback,
+      agentMessageFeedback.get()
+    );
+  }
+
   static async fetchConversationId(
     agentMessageFeedbackId: string
   ): Promise<string | null> {
diff --git a/front/pages/api/w/[wId]/assistant/feedbacks/[fId]/conversation.ts b/front/pages/api/w/[wId]/assistant/feedbacks/[fId]/conversation.ts
index 530faac6cf52..2fb730de5fdd 100644
--- a/front/pages/api/w/[wId]/assistant/feedbacks/[fId]/conversation.ts
+++ b/front/pages/api/w/[wId]/assistant/feedbacks/[fId]/conversation.ts
@@ -1,8 +1,9 @@
 import type { WithAPIErrorResponse } from "@dust-tt/types";
 import type { NextApiRequest, NextApiResponse } from "next";
 
+import { getAgentConfiguration } from "@app/lib/api/assistant/configuration";
 import { withSessionAuthenticationForWorkspace } from "@app/lib/api/auth_wrappers";
-import type { Authenticator } from "@app/lib/auth";
+import { Authenticator } from "@app/lib/auth";
 import { AgentMessageFeedbackResource } from "@app/lib/resources/agent_message_feedback_resource";
 import { apiError } from "@app/logger/withlogging";
 
@@ -19,7 +20,8 @@ async function handler(
 ): Promise<void> {
   switch (req.method) {
     case "GET":
-      if (typeof req.query.fId !== "string" || req.query.fId === "") {
+      const feedbackId = req.query.fId;
+      if (typeof feedbackId !== "string" || feedbackId === "") {
         return apiError(req, res, {
           status_code: 400,
           api_error: {
@@ -29,15 +31,55 @@ async function handler(
         });
       }
 
+      // Make sure that user is one of the authors
+      const feedback = await AgentMessageFeedbackResource.fetchById(feedbackId);
+      if (!feedback) {
+        return apiError(req, res, {
+          status_code: 404,
+          api_error: {
+            type: "feedback_not_found",
+            message: `Feedback not found for id ${feedbackId}`,
+          },
+        });
+      }
+      const agent = await getAgentConfiguration(
+        auth,
+        feedback.agentConfigurationId
+      );
+      if (!agent) {
+        return apiError(req, res, {
+          status_code: 404,
+          api_error: {
+            type: "agent_configuration_not_found",
+            message: `Agent configuration not found for id ${feedback.agentConfigurationId}`,
+          },
+        });
+      }
+      if (
+        !auth.canRead(
+          Authenticator.createResourcePermissionsFromGroupIds(
+            agent.requestedGroupIds
+          )
+        )
+      ) {
+        return apiError(req, res, {
+          status_code: 404,
+          api_error: {
+            type: "feedback_not_found",
+            message: "Feedback not found.",
+          },
+        });
+      }
+
       const conversationId =
-        await AgentMessageFeedbackResource.fetchConversationId(req.query.fId);
+        await AgentMessageFeedbackResource.fetchConversationId(feedbackId);
 
       if (!conversationId) {
         return apiError(req, res, {
           status_code: 404,
           api_error: {
             type: "conversation_not_found",
-            message: `Conversation not found for feedback ${req.query.fId}`,
+            message: `Conversation not found for feedback ${feedbackId}`,
           },
         });
       }
diff --git a/types/src/front/lib/error.ts b/types/src/front/lib/error.ts
index 22eeeae4c6ba..402833e1db8f 100644
--- a/types/src/front/lib/error.ts
+++ b/types/src/front/lib/error.ts
@@ -102,7 +102,9 @@ export type APIErrorType =
   | ConversationErrorType
   // Plugins:
   | "plugin_not_found"
-  | "plugin_execution_failed";
+  | "plugin_execution_failed"
+  // feedbacks
+  | "feedback_not_found";
 
 export type APIError = {
   type: APIErrorType;