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CVE-2026-48024

9.1 critical SSVC exploitation: poc Analyzed
NVD · CVE.org

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta3, cluster.unmerge_info() in framework/wazuh/core/cluster/cluster.py constructs paths from peer-controlled merge_type and name values in a merged synchronization archive. process_files_from_worker() in framework/wazuh/core/cluster/master.py does not adequately confine the resulting path to the declared cluster item directory. A cluster peer holding the shared Fernet key can use traversal in files_metadata.json or a merged-file header to write files such as /var/ossec/etc/ossec.conf. Replacing ossec.conf can configure root-executed commands and lead to code execution when Wazuh services reload. This issue is fixed in versions 4.14.6 and 5.0.0-beta3.

Fix

Patch, vendor advisory and mitigation references on NVD 6

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.1 · wazuhNVD modified 2026-10-26 11:10

Affected (CPE criteria) 3

  • cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
  • cpe:2.3:a:wazuh:wazuh:5.0.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:wazuh:wazuh:5.0.0:beta2:*:*:*:*:*:*

References 6