diff --git a/pkg/harvester/validators/vm-image.js b/pkg/harvester/validators/vm-image.js
index 214b0fe5958..9ee35a7d489 100644
--- a/pkg/harvester/validators/vm-image.js
+++ b/pkg/harvester/validators/vm-image.js
@@ -2,6 +2,35 @@ import { HCI } from '@pkg/harvester/config/labels-annotations';
 
 export const VM_IMAGE_FILE_FORMAT = ['qcow', 'qcow2', 'raw', 'img', 'iso'];
 
+/**
+ * Extracts the filename from a URL, handling query parameters and fragments
+ * @param {string} url - The URL to parse
+ * @returns {string} - The filename without query params or fragments
+ */
+function getFilenameFromUrl(url) {
+  try {
+    // Try to parse as a full URL
+    const urlObj = new URL(url);
+    // Get pathname and extract the last segment
+    const pathname = urlObj.pathname;
+    return pathname.split('/').pop() || '';
+  } catch (e) {
+    // If URL parsing fails, treat as a relative path
+    // Remove query params and fragments manually
+    const cleanUrl = url.split('?')[0].split('#')[0];
+    return cleanUrl.split('/').pop() || '';
+  }
+}
+
+/**
+ * Validates image URL format
+ * @param {string} url - The image URL to validate
+ * @param {object} getters - Vuex getters
+ * @param {array} errors - Array to collect validation errors
+ * @param {any} validatorArgs - Additional validator arguments
+ * @param {string} type - Type of validation ('file' or other)
+ * @returns {array} - Array of validation errors
+ */
 export function imageUrl(url, getters, errors, validatorArgs, type) {
   const t = getters['i18n/t'];
 
@@ -9,12 +38,20 @@ export function imageUrl(url, getters, errors, validatorArgs, type) {
     return errors;
   }
 
-  const suffixName = url.split('/').pop();
-  const fileSuffix = suffixName.split('.').pop().toLowerCase();
+  // Extract filename, handling query parameters and fragments
+  const filename = getFilenameFromUrl(url);
+  
+  if (!filename) {
+    const tipString = type === 'file' ? 'harvester.validation.image.ruleFileTip' : 'harvester.validation.image.ruleTip';
+    errors.push(t(tipString));
+    return errors;
+  }
+
+  // Get file extension
+  const fileSuffix = filename.split('.').pop().toLowerCase();
 
   if (!VM_IMAGE_FILE_FORMAT.includes(fileSuffix)) {
     const tipString = type === 'file' ? 'harvester.validation.image.ruleFileTip' : 'harvester.validation.image.ruleTip';
-
     errors.push(t(tipString));
   }
 
@@ -29,4 +66,4 @@ export function fileRequired(annotations = {}, getters, errors, validatorArgs, t
   }
 
   return errors;
-}
+}
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