CVE-2026-25769
Wazuh Cluster vulnerable to Remote Code Execution via Insecure Deserialization
- Published
- Mar 17, 2026
- Updated
- Mar 18, 2026
- Assigning CNA
- GitHub_M
- Evidence observed
- Aug 25, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HLow · next 30 days
- Percentile
- 95.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.0.0 through 4.14.2 have a Remote Code Execution (RCE) vulnerability due to Deserialization of Untrusted Data). All Wazuh deployments using cluster mode (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.
Sources
5Remote Code Execution via Insecure Deserialization in Wazuh Cluster
- CVE-2026-25769Exploit
CVE-2026-25769
POC for deserialization of untrusted data in wazuh leading to RCE
Responsible use
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