Wazuh Vulenrability Detection Error on the Events page of the dashboard

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Aleksandar Gavric

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Oct 30, 2025, 12:33:41 PM (6 days ago) Oct 30
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Hi Everyone i recently tested and upgraded wazuh to version 4.14 and ever since then when i got to Vulnerability Detection > Events i have a TypeError: Cannot read properties of undefined (reading 'toLowerCase') and am just wondering if anyone else experienced a similar error

screenshot below:

Screenshot from 2025-10-30 15-59-32.png

Bony V John

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6:32 AM (10 hours ago) 6:32 AM
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Hi,

Apologies for the late response. It looks like we missed this thread earlier. Are you still facing this issue?

Could you please share the following details so we can assist further?

  • The Wazuh version you upgraded from.

  • Your deployment type and the number of nodes

From the screenshot, it appears that the Wazuh Dashboard was unable to load data from the wazuh-alerts index. Are you experiencing this problem only in the Vulnerability Detection > Events section, or does it also occur in Threat Hunting or Discover?

Since the Events view uses data from the wazuh-alerts index, if the index were the issue, it would typically affect the Threat Hunting and Discover pages as well.

To investigate further, please share the dashboard and indexer logs:

On the Wazuh Dashboard server, run the below command:  
sudo journalctl -u wazuh-dashboard.service > dashboard.log

From the Wazuh Indexer server share its log file located at: /var/log/wazuh-indexer/wazuh-cluster.log
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