diff --git a/lifemonitor/tasks/controller.py b/lifemonitor/tasks/controller.py
index cd5997bd..2397cbba 100644
--- a/lifemonitor/tasks/controller.py
+++ b/lifemonitor/tasks/controller.py
@@ -40,6 +40,8 @@
 @authorized
 @blueprint.route("/status/<job_id>", methods=("GET",))
 def get_job_status(job_id: str):
+    if not utils.validate_job_id(job_id):
+        raise ValueError(f"Invalid job id: {job_id}")
     serialized_job_data = cache.get(utils.get_job_key(job_id=job_id))
     if not serialized_job_data:
         return f"job ${job_id} not found", 404
diff --git a/lifemonitor/tasks/utils.py b/lifemonitor/tasks/utils.py
index 2ddde561..96cda3a4 100644
--- a/lifemonitor/tasks/utils.py
+++ b/lifemonitor/tasks/utils.py
@@ -15,6 +15,16 @@ def make_job_id() -> str:
     return str(uuid4())
 
 
+def validate_job_id(job_id: str) -> bool:
+    '''Validate the job id defined as uuid4'''
+    from uuid import UUID
+    try:
+        UUID(job_id, version=4)
+        return True
+    except ValueError:
+        return False
+
+
 def get_job_key(job_id: str):
     return f"job-{job_id}"