From 4a40a001e8505f046d578839214408c9307a008e Mon Sep 17 00:00:00 2001
From: Lord Hepipud <contact@lordhepipud.de>
Date: Mon, 26 Jan 2026 15:37:23 +0100
Subject: [PATCH] Fixes invalid threshold comparison in case either warning or
 critical threshold is empty

---
 lib/icinga/plugin/New-IcingaCheck.psm1 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/icinga/plugin/New-IcingaCheck.psm1 b/lib/icinga/plugin/New-IcingaCheck.psm1
index 994f579..7c0de72 100644
--- a/lib/icinga/plugin/New-IcingaCheck.psm1
+++ b/lib/icinga/plugin/New-IcingaCheck.psm1
@@ -1075,6 +1075,11 @@ function New-IcingaCheck()
             return;
         }
 
+        # Just in case one of the thresholds is not set, we cannot validate anything
+        if ([string]::IsNullOrEmpty($this.__WarningValue.Threshold.Threshold) -or [string]::IsNullOrEmpty($this.__CriticalValue.Threshold.Threshold)) {
+            return;
+        }
+
         [bool]$OutOfRange = $FALSE;
 
         # Both thresholds use the mode