diff --git a/apps/web/app/page.test.tsx b/apps/web/app/page.test.tsx
index a1d896880a..a117a07ff3 100644
--- a/apps/web/app/page.test.tsx
+++ b/apps/web/app/page.test.tsx
@@ -8,7 +8,7 @@ import { TUser } from "@formbricks/types/user";
 import Page from "./page";
 
 vi.mock("@/lib/project/service", () => ({
-  getProjectEnvironmentsByOrganizationIds: vi.fn(),
+  getUserProjectEnvironmentsByOrganizationIds: vi.fn(),
 }));
 
 vi.mock("@/lib/instance/service", () => ({
@@ -152,7 +152,7 @@ describe("Page", () => {
     const { getIsFreshInstance } = await import("@/lib/instance/service");
     const { getUser } = await import("@/lib/user/service");
     const { getOrganizationsByUserId } = await import("@/lib/organization/service");
-    const { getProjectEnvironmentsByOrganizationIds } = await import("@/lib/project/service");
+    const { getUserProjectEnvironmentsByOrganizationIds } = await import("@/lib/project/service");
     const { getMembershipByUserIdOrganizationId } = await import("@/lib/membership/service");
     const { getAccessFlags } = await import("@/lib/membership/utils");
     const { redirect } = await import("next/navigation");
@@ -220,7 +220,7 @@ describe("Page", () => {
     } as any);
     vi.mocked(getIsFreshInstance).mockResolvedValue(false);
     vi.mocked(getUser).mockResolvedValue(mockUser);
-    vi.mocked(getProjectEnvironmentsByOrganizationIds).mockResolvedValue(
+    vi.mocked(getUserProjectEnvironmentsByOrganizationIds).mockResolvedValue(
       mockUserProjects as unknown as TProject[]
     );
     vi.mocked(getOrganizationsByUserId).mockResolvedValue([mockOrganization]);
@@ -241,7 +241,7 @@ describe("Page", () => {
     const { getServerSession } = await import("next-auth");
     const { getIsFreshInstance } = await import("@/lib/instance/service");
     const { getUser } = await import("@/lib/user/service");
-    const { getProjectEnvironmentsByOrganizationIds } = await import("@/lib/project/service");
+    const { getUserProjectEnvironmentsByOrganizationIds } = await import("@/lib/project/service");
     const { getOrganizationsByUserId } = await import("@/lib/organization/service");
     const { getMembershipByUserIdOrganizationId } = await import("@/lib/membership/service");
     const { getAccessFlags } = await import("@/lib/membership/utils");
@@ -310,7 +310,7 @@ describe("Page", () => {
     } as any);
     vi.mocked(getIsFreshInstance).mockResolvedValue(false);
     vi.mocked(getUser).mockResolvedValue(mockUser);
-    vi.mocked(getProjectEnvironmentsByOrganizationIds).mockResolvedValue(
+    vi.mocked(getUserProjectEnvironmentsByOrganizationIds).mockResolvedValue(
       mockUserProjects as unknown as TProject[]
     );
     vi.mocked(getOrganizationsByUserId).mockResolvedValue([mockOrganization]);
@@ -334,7 +334,7 @@ describe("Page", () => {
     const { getOrganizationsByUserId } = await import("@/lib/organization/service");
     const { getMembershipByUserIdOrganizationId } = await import("@/lib/membership/service");
     const { getAccessFlags } = await import("@/lib/membership/utils");
-    const { getProjectEnvironmentsByOrganizationIds } = await import("@/lib/project/service");
+    const { getUserProjectEnvironmentsByOrganizationIds } = await import("@/lib/project/service");
     const { render } = await import("@testing-library/react");
 
     const mockUser: TUser = {
@@ -432,7 +432,7 @@ describe("Page", () => {
     vi.mocked(getUser).mockResolvedValue(mockUser);
     vi.mocked(getOrganizationsByUserId).mockResolvedValue([mockOrganization]);
     vi.mocked(getMembershipByUserIdOrganizationId).mockResolvedValue(mockMembership);
-    vi.mocked(getProjectEnvironmentsByOrganizationIds).mockResolvedValue(mockUserProjects);
+    vi.mocked(getUserProjectEnvironmentsByOrganizationIds).mockResolvedValue(mockUserProjects);
     vi.mocked(getAccessFlags).mockReturnValue({
       isManager: false,
       isOwner: false,
diff --git a/apps/web/app/page.tsx b/apps/web/app/page.tsx
index 7410ec6596..39950f14b7 100644
--- a/apps/web/app/page.tsx
+++ b/apps/web/app/page.tsx
@@ -3,7 +3,7 @@ import { getIsFreshInstance } from "@/lib/instance/service";
 import { getMembershipByUserIdOrganizationId } from "@/lib/membership/service";
 import { getAccessFlags } from "@/lib/membership/utils";
 import { getOrganizationsByUserId } from "@/lib/organization/service";
-import { getProjectEnvironmentsByOrganizationIds } from "@/lib/project/service";
+import { getUserProjectEnvironmentsByOrganizationIds } from "@/lib/project/service";
 import { getUser } from "@/lib/user/service";
 import { authOptions } from "@/modules/auth/lib/authOptions";
 import { ClientLogout } from "@/modules/ui/components/client-logout";
@@ -34,7 +34,10 @@ const Page = async () => {
     return redirect("/setup/organization/create");
   }
 
-  const projectsByOrg = await getProjectEnvironmentsByOrganizationIds(userOrganizations.map((org) => org.id));
+  const projectsByOrg = await getUserProjectEnvironmentsByOrganizationIds(
+    userOrganizations.map((org) => org.id),
+    user.id
+  );
 
   // Flatten all environments from all projects across all organizations
   const allEnvironments = projectsByOrg.flatMap((project) => project.environments);
diff --git a/apps/web/lib/project/service.test.ts b/apps/web/lib/project/service.test.ts
index a18443d2e0..c070688300 100644
--- a/apps/web/lib/project/service.test.ts
+++ b/apps/web/lib/project/service.test.ts
@@ -7,8 +7,8 @@ import { ITEMS_PER_PAGE } from "../constants";
 import {
   getProject,
   getProjectByEnvironmentId,
-  getProjectEnvironmentsByOrganizationIds,
   getProjects,
+  getUserProjectEnvironmentsByOrganizationIds,
   getUserProjects,
 } from "./service";
 
@@ -21,6 +21,7 @@ vi.mock("@formbricks/database", () => ({
     },
     membership: {
       findFirst: vi.fn(),
+      findMany: vi.fn(),
     },
   },
 }));
@@ -488,6 +489,7 @@ describe("Project Service", () => {
   test("getProjectsByOrganizationIds should return projects for given organization IDs", async () => {
     const organizationId1 = createId();
     const organizationId2 = createId();
+    const userId = createId();
     const mockProjects = [
       {
         environments: [],
@@ -497,16 +499,34 @@ describe("Project Service", () => {
       },
     ];
 
+    vi.mocked(prisma.membership.findMany).mockResolvedValue([
+      {
+        userId,
+        organizationId: organizationId1,
+        role: "owner" as any,
+        accepted: true,
+        deprecatedRole: null,
+      },
+      {
+        userId,
+        organizationId: organizationId2,
+        role: "owner" as any,
+        accepted: true,
+        deprecatedRole: null,
+      },
+    ]);
+
     vi.mocked(prisma.project.findMany).mockResolvedValue(mockProjects as any);
 
-    const result = await getProjectEnvironmentsByOrganizationIds([organizationId1, organizationId2]);
+    const result = await getUserProjectEnvironmentsByOrganizationIds(
+      [organizationId1, organizationId2],
+      userId
+    );
 
     expect(result).toEqual(mockProjects);
     expect(prisma.project.findMany).toHaveBeenCalledWith({
       where: {
-        organizationId: {
-          in: [organizationId1, organizationId2],
-        },
+        OR: [{ organizationId: organizationId1 }, { organizationId: organizationId2 }],
       },
       select: { environments: true },
     });
@@ -515,17 +535,36 @@ describe("Project Service", () => {
   test("getProjectsByOrganizationIds should return empty array when no projects are found", async () => {
     const organizationId1 = createId();
     const organizationId2 = createId();
+    const userId = createId();
+
+    vi.mocked(prisma.membership.findMany).mockResolvedValue([
+      {
+        userId,
+        organizationId: organizationId1,
+        role: "owner" as any,
+        accepted: true,
+        deprecatedRole: null,
+      },
+      {
+        userId,
+        organizationId: organizationId2,
+        role: "owner" as any,
+        accepted: true,
+        deprecatedRole: null,
+      },
+    ]);
 
     vi.mocked(prisma.project.findMany).mockResolvedValue([]);
 
-    const result = await getProjectEnvironmentsByOrganizationIds([organizationId1, organizationId2]);
+    const result = await getUserProjectEnvironmentsByOrganizationIds(
+      [organizationId1, organizationId2],
+      userId
+    );
 
     expect(result).toEqual([]);
     expect(prisma.project.findMany).toHaveBeenCalledWith({
       where: {
-        organizationId: {
-          in: [organizationId1, organizationId2],
-        },
+        OR: [{ organizationId: organizationId1 }, { organizationId: organizationId2 }],
       },
       select: { environments: true },
     });
@@ -534,18 +573,111 @@ describe("Project Service", () => {
   test("getProjectsByOrganizationIds should throw DatabaseError when prisma throws", async () => {
     const organizationId1 = createId();
     const organizationId2 = createId();
+    const userId = createId();
     const prismaError = new Prisma.PrismaClientKnownRequestError("Database error", {
       code: "P2002",
       clientVersion: "5.0.0",
     });
+
+    vi.mocked(prisma.membership.findMany).mockResolvedValue([
+      {
+        userId,
+        organizationId: organizationId1,
+        role: "owner" as any,
+        accepted: true,
+        deprecatedRole: null,
+      },
+    ]);
+
     vi.mocked(prisma.project.findMany).mockRejectedValue(prismaError);
 
-    await expect(getProjectEnvironmentsByOrganizationIds([organizationId1, organizationId2])).rejects.toThrow(
-      DatabaseError
-    );
+    await expect(
+      getUserProjectEnvironmentsByOrganizationIds([organizationId1, organizationId2], userId)
+    ).rejects.toThrow(DatabaseError);
   });
 
   test("getProjectsByOrganizationIds should throw ValidationError with wrong input", async () => {
-    await expect(getProjectEnvironmentsByOrganizationIds(["wrong-id"])).rejects.toThrow(ValidationError);
+    const userId = createId();
+    await expect(getUserProjectEnvironmentsByOrganizationIds(["wrong-id"], userId)).rejects.toThrow(
+      ValidationError
+    );
+  });
+
+  test("getProjectsByOrganizationIds should return empty array when user has no memberships", async () => {
+    const organizationId1 = createId();
+    const organizationId2 = createId();
+    const userId = createId();
+
+    // Mock no memberships found
+    vi.mocked(prisma.membership.findMany).mockResolvedValue([]);
+
+    const result = await getUserProjectEnvironmentsByOrganizationIds(
+      [organizationId1, organizationId2],
+      userId
+    );
+
+    expect(result).toEqual([]);
+    expect(prisma.membership.findMany).toHaveBeenCalledWith({
+      where: {
+        userId,
+        organizationId: {
+          in: [organizationId1, organizationId2],
+        },
+      },
+    });
+    // Should not call project.findMany when no memberships
+    expect(prisma.project.findMany).not.toHaveBeenCalled();
+  });
+
+  test("getProjectsByOrganizationIds should handle member role with team access", async () => {
+    const organizationId1 = createId();
+    const organizationId2 = createId();
+    const userId = createId();
+    const mockProjects = [
+      {
+        environments: [],
+      },
+    ];
+
+    // Mock membership where user is a member
+    vi.mocked(prisma.membership.findMany).mockResolvedValue([
+      {
+        userId,
+        organizationId: organizationId1,
+        role: "member" as any,
+        accepted: true,
+        deprecatedRole: null,
+      },
+    ]);
+
+    vi.mocked(prisma.project.findMany).mockResolvedValue(mockProjects as any);
+
+    const result = await getUserProjectEnvironmentsByOrganizationIds(
+      [organizationId1, organizationId2],
+      userId
+    );
+
+    expect(result).toEqual(mockProjects);
+    expect(prisma.project.findMany).toHaveBeenCalledWith({
+      where: {
+        OR: [
+          {
+            organizationId: organizationId1,
+            projectTeams: {
+              some: {
+                team: {
+                  teamUsers: {
+                    some: {
+                      userId,
+                    },
+                  },
+                },
+              },
+            },
+          },
+        ],
+      },
+      select: { environments: true },
+    });
   });
 });
diff --git a/apps/web/lib/project/service.ts b/apps/web/lib/project/service.ts
index 93521f4337..cb644ed160 100644
--- a/apps/web/lib/project/service.ts
+++ b/apps/web/lib/project/service.ts
@@ -171,20 +171,56 @@ export const getOrganizationProjectsCount = reactCache(async (organizationId: st
   }
 });
 
-export const getProjectEnvironmentsByOrganizationIds = reactCache(
-  async (organizationIds: string[]): Promise<Pick<TProject, "environments">[]> => {
-    validateInputs([organizationIds, ZId.array()]);
+export const getUserProjectEnvironmentsByOrganizationIds = reactCache(
+  async (organizationIds: string[], userId: string): Promise<Pick<TProject, "environments">[]> => {
+    validateInputs([organizationIds, ZId.array()], [userId, ZId]);
     try {
       if (organizationIds.length === 0) {
         return [];
       }
 
-      const projects = await prisma.project.findMany({
+      const memberships = await prisma.membership.findMany({
         where: {
+          userId,
           organizationId: {
             in: organizationIds,
           },
         },
+      });
+
+      if (memberships.length === 0) {
+        return [];
+      }
+
+      const whereConditions: Prisma.ProjectWhereInput[] = memberships.map((membership) => {
+        let projectWhereClause: Prisma.ProjectWhereInput = {
+          organizationId: membership.organizationId,
+        };
+
+        if (membership.role === "member") {
+          projectWhereClause = {
+            ...projectWhereClause,
+            projectTeams: {
+              some: {
+                team: {
+                  teamUsers: {
+                    some: {
+                      userId,
+                    },
+                  },
+                },
+              },
+            },
+          };
+        }
+
+        return projectWhereClause;
+      });
+
+      const projects = await prisma.project.findMany({
+        where: {
+          OR: whereConditions,
+        },
         select: { environments: true },
       });