diff --git a/backend/src/ee/routes/v1/identity-project-additional-privilege-router.ts b/backend/src/ee/routes/v1/identity-project-additional-privilege-router.ts
index 0fecc9d2e..9a1a91672 100644
--- a/backend/src/ee/routes/v1/identity-project-additional-privilege-router.ts
+++ b/backend/src/ee/routes/v1/identity-project-additional-privilege-router.ts
@@ -8,7 +8,7 @@ import { IDENTITY_ADDITIONAL_PRIVILEGE } from "@app/lib/api-docs";
 import { alphaNumericNanoId } from "@app/lib/nanoid";
 import { readLimit, writeLimit } from "@app/server/config/rateLimiter";
 import { verifyAuth } from "@app/server/plugins/auth/verify-auth";
-import { PermissionSchema, SanitizedIdentityPrivilegeSchema } from "@app/server/routes/sanitizedSchemas";
+import { ProjectPermissionSchema, SanitizedIdentityPrivilegeSchema } from "@app/server/routes/sanitizedSchemas";
 import { AuthMode } from "@app/services/auth/auth-type";
 
 export const registerIdentityProjectAdditionalPrivilegeRouter = async (server: FastifyZodProvider) => {
@@ -39,7 +39,7 @@ export const registerIdentityProjectAdditionalPrivilegeRouter = async (server: F
           })
           .optional()
           .describe(IDENTITY_ADDITIONAL_PRIVILEGE.CREATE.slug),
-        permissions: PermissionSchema.array().describe(IDENTITY_ADDITIONAL_PRIVILEGE.CREATE.permissions)
+        permissions: ProjectPermissionSchema.array().describe(IDENTITY_ADDITIONAL_PRIVILEGE.CREATE.permissions)
       }),
       response: {
         200: z.object({
@@ -90,7 +90,7 @@ export const registerIdentityProjectAdditionalPrivilegeRouter = async (server: F
           })
           .optional()
           .describe(IDENTITY_ADDITIONAL_PRIVILEGE.CREATE.slug),
-        permissions: PermissionSchema.array().describe(IDENTITY_ADDITIONAL_PRIVILEGE.CREATE.permissions),
+        permissions: ProjectPermissionSchema.array().describe(IDENTITY_ADDITIONAL_PRIVILEGE.CREATE.permissions),
         temporaryMode: z
           .nativeEnum(IdentityProjectAdditionalPrivilegeTemporaryMode)
           .describe(IDENTITY_ADDITIONAL_PRIVILEGE.CREATE.temporaryMode),
@@ -155,7 +155,7 @@ export const registerIdentityProjectAdditionalPrivilegeRouter = async (server: F
                 message: "Slug must be a valid slug"
               })
               .describe(IDENTITY_ADDITIONAL_PRIVILEGE.UPDATE.newSlug),
-            permissions: PermissionSchema.array().describe(IDENTITY_ADDITIONAL_PRIVILEGE.UPDATE.permissions),
+            permissions: ProjectPermissionSchema.array().describe(IDENTITY_ADDITIONAL_PRIVILEGE.UPDATE.permissions),
             isTemporary: z.boolean().describe(IDENTITY_ADDITIONAL_PRIVILEGE.UPDATE.isTemporary),
             temporaryMode: z
               .nativeEnum(IdentityProjectAdditionalPrivilegeTemporaryMode)
diff --git a/backend/src/server/routes/sanitizedSchemas.ts b/backend/src/server/routes/sanitizedSchemas.ts
index 14155ecf9..cf9f23851 100644
--- a/backend/src/server/routes/sanitizedSchemas.ts
+++ b/backend/src/server/routes/sanitizedSchemas.ts
@@ -8,6 +8,7 @@ import {
   UsersSchema
 } from "@app/db/schemas";
 import { UnpackedPermissionSchema } from "@app/ee/services/identity-project-additional-privilege/identity-project-additional-privilege-service";
+import { ProjectPermissionActions, ProjectPermissionSub } from "@app/ee/services/permission/project-permission";
 
 // sometimes the return data must be santizied to avoid leaking important values
 // always prefer pick over omit in zod
@@ -64,14 +65,12 @@ export const secretRawSchema = z.object({
   secretComment: z.string().optional()
 });
 
-export const PermissionSchema = z.object({
+export const ProjectPermissionSchema = z.object({
   action: z
-    .string()
-    .min(1)
+    .nativeEnum(ProjectPermissionActions)
     .describe("Describe what action an entity can take. Possible actions: create, edit, delete, and read"),
   subject: z
-    .string()
-    .min(1)
+    .nativeEnum(ProjectPermissionSub)
     .describe("The entity this permission pertains to. Possible options: secrets, environments"),
   conditions: z
     .object({