CVE-2026-44901Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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-beta2, AffectedItemsWazuhResult.merge() in framework/wazuh/core/results.py trusts the sort_casting field in a cluster worker's JSON response. During a distributed API merge, attacker-controlled type names are resolved through Python builtins without an allowlist. A compromised worker can set sort_casting to exec and place Python source in affected_items, causing the master to execute the payload as root when responses from multiple nodes are merged. This issue is fixed in versions 4.14.6 and 5.0.0-beta2.
- CVSS
- 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Analyzed
- Record last updated
- Aug 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
wazuh wazuh wazuh:wazuh (from the name) | from 4.0.0, < 4.14.6; from 5.0.0-beta1, < 5.0.0-beta2 | CNA record |
wazuh wazuh wazuh:wazuh | from 4.0.0 before 4.14.6; 5.0.0; 5.0.0 | NVD |
References
- https://github.com/wazuh/wazuh/security/advisories/GHSA-8c6v-7g3w-prrqx-refsource-confirm, exploit, vendor-advisory
- https://github.com/wazuh/wazuh/pull/35757x-refsource-misc, issue-tracking, patch
- https://github.com/wazuh/wazuh/commit/b29849f8abb08d78f257e6106b6111a8a1b0e621x-refsource-misc, patch
- https://github.com/wazuh/wazuh/releases/tag/v4.14.6x-refsource-misc, patch, release-notes
- https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2x-refsource-misc, patch, release-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.