From 2054430a6e5c7553fe7b1400ba6df924fa3e8c8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20H=C3=A4drich?=
 <11225821+shaedrich@users.noreply.github.com>
Date: Thu, 19 Dec 2024 00:02:43 +0100
Subject: [PATCH] Validate Scheduler CronExpression

Inspired by https://github.com/laravel/framework/pull/53961#discussion_r1890404965
---
 src/Illuminate/Console/Scheduling/ManagesFrequencies.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Illuminate/Console/Scheduling/ManagesFrequencies.php b/src/Illuminate/Console/Scheduling/ManagesFrequencies.php
index d974a91b769..06e903de76e 100644
--- a/src/Illuminate/Console/Scheduling/ManagesFrequencies.php
+++ b/src/Illuminate/Console/Scheduling/ManagesFrequencies.php
@@ -2,6 +2,7 @@
 
 namespace Illuminate\Console\Scheduling;
 
+use Cron\CronExpression;
 use Illuminate\Support\Carbon;
 use InvalidArgumentException;
 
@@ -15,6 +16,10 @@ trait ManagesFrequencies
      */
     public function cron($expression)
     {
+        if (!CronExpression::isValidExpression()) {
+            throw new InvalidArgumentException("The expression [$expression] is not a valid cron expression.");
+        }
+
         $this->expression = $expression;
 
         return $this;