diff --git a/src/app/api/comments/public/public.controller.ts b/src/app/api/comments/public/public.controller.ts
index b0766c09f..75d56ed27 100644
--- a/src/app/api/comments/public/public.controller.ts
+++ b/src/app/api/comments/public/public.controller.ts
@@ -6,6 +6,8 @@ import { getPaginationLimit } from '@/utils/pagination'
 import { getSearchParams } from '@/utils/request'
 import { decode, encode } from 'js-base64'
 import { NextRequest, NextResponse } from 'next/server'
+import { ValidateUuid } from '@api/core/utils/validateUuid'
+import { PublicResource } from '@api/core/types/public'
 
 type TaskAndCommentIdParams = {
   params: Promise<{ id: string }>
@@ -53,6 +55,7 @@ export const getAllCommentsPublic = async (req: NextRequest) => {
 
 export const getOneCommentPublic = async (req: NextRequest, { params }: TaskAndCommentIdParams) => {
   const { id } = await params
+  ValidateUuid(id, PublicResource.Comments)
   const user = await authenticate(req)
 
   const commentService = new CommentService(user)
@@ -66,6 +69,7 @@ export const getOneCommentPublic = async (req: NextRequest, { params }: TaskAndC
 
 export const deleteOneCommentPublic = async (req: NextRequest, { params }: TaskAndCommentIdParams) => {
   const { id } = await params
+  ValidateUuid(id, PublicResource.Comments)
   const user = await authenticate(req)
 
   const commentService = new CommentService(user)
diff --git a/src/app/api/core/types/public.ts b/src/app/api/core/types/public.ts
new file mode 100644
index 000000000..8789a03ef
--- /dev/null
+++ b/src/app/api/core/types/public.ts
@@ -0,0 +1,5 @@
+export enum PublicResource {
+  Tasks = 'task',
+  Templates = 'template',
+  Comments = 'comment',
+}
diff --git a/src/app/api/core/utils/validateUuid.ts b/src/app/api/core/utils/validateUuid.ts
new file mode 100644
index 000000000..10d9e5f7b
--- /dev/null
+++ b/src/app/api/core/utils/validateUuid.ts
@@ -0,0 +1,24 @@
+import httpStatus from 'http-status'
+import z from 'zod'
+import APIError from '@api/core/exceptions/api'
+import { PublicResource } from '@api/core/types/public'
+
+/**
+ * Validates that an ID parameter is a valid UUID.
+ *
+ * This utility is intended to be used in service-layer retrieval flows
+ * where an ID is passed via API params. If the ID is not a valid UUID,
+ * it throws a 404 error immediately instead of letting the request hit Prisma,
+ * thereby avoiding Prisma P2023 errors and providing a controlled,
+ * consistent API response. Mainly used for public APIs.
+ *
+ * @param id - The resource ID to validate
+ * @param resourceType - The type of resource being retrieved
+ *
+ * @throws {APIError} 404 NOT_FOUND if the ID is not a valid UUID
+ */
+export const ValidateUuid = (id: string, resourceType: PublicResource) => {
+  if (!z.string().uuid().safeParse(id).success) {
+    throw new APIError(httpStatus.NOT_FOUND, `The requested ${resourceType} was not found`)
+  }
+}
diff --git a/src/app/api/tasks/public/public.controller.ts b/src/app/api/tasks/public/public.controller.ts
index 0e7ade4a1..da3b945c3 100644
--- a/src/app/api/tasks/public/public.controller.ts
+++ b/src/app/api/tasks/public/public.controller.ts
@@ -10,6 +10,8 @@ import { decode, encode } from 'js-base64'
 import { NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
 import { PublicTasksService } from '@api/tasks/public/public.service'
+import { ValidateUuid } from '@api/core/utils/validateUuid'
+import { PublicResource } from '@api/core/types/public'
 
 export const getAllTasksPublic = async (req: NextRequest) => {
   const user = await authenticate(req)
@@ -54,6 +56,7 @@ export const getAllTasksPublic = async (req: NextRequest) => {
 
 export const getOneTaskPublic = async (req: NextRequest, { params }: IdParams) => {
   const { id } = await params
+  ValidateUuid(id, PublicResource.Tasks)
   const user = await authenticate(req)
   const tasksService = new PublicTasksService(user)
   const task = await tasksService.getOneTask(id)
@@ -78,6 +81,7 @@ export const createTaskPublic = async (req: NextRequest) => {
 
 export const updateTaskPublic = async (req: NextRequest, { params }: IdParams) => {
   const { id } = await params
+  ValidateUuid(id, PublicResource.Tasks)
   const user = await authenticate(req)
   const data = PublicTaskUpdateDtoSchema.parse(await req.json())
 
@@ -90,6 +94,7 @@ export const updateTaskPublic = async (req: NextRequest, { params }: IdParams) =
 
 export const deleteOneTaskPublic = async (req: NextRequest, { params }: IdParams) => {
   const { id } = await params
+  ValidateUuid(id, PublicResource.Tasks)
   const recursive = req.nextUrl.searchParams.get('recursive')
   const user = await authenticate(req)
   const tasksService = new PublicTasksService(user)
diff --git a/src/app/api/tasks/templates/public/public.controller.ts b/src/app/api/tasks/templates/public/public.controller.ts
index 2d40b3213..d7d912a4d 100644
--- a/src/app/api/tasks/templates/public/public.controller.ts
+++ b/src/app/api/tasks/templates/public/public.controller.ts
@@ -5,6 +5,8 @@ import { TemplatesService } from '@/app/api/tasks/templates/templates.service'
 import { defaultLimit } from '@/constants/public-api'
 import { getSearchParams } from '@/utils/request'
 import { encode, decode } from 'js-base64'
+import { ValidateUuid } from '@api/core/utils/validateUuid'
+import { PublicResource } from '@api/core/types/public'
 
 import { NextRequest, NextResponse } from 'next/server'
 
@@ -24,6 +26,7 @@ export const getTaskTemplatesPublic = async (req: NextRequest) => {
 
 export const getTaskTemplatePublic = async (req: NextRequest, { params }: IdParams) => {
   const { id } = await params
+  ValidateUuid(id, PublicResource.Tasks)
   const user = await authenticate(req)
   const templatesService = new TemplatesService(user)
   const template = await templatesService.getOneTemplate(id)