---
id: CVE-2026-112334
title: Wazuh 1.0.0 before 4.14.9 Out-of-Bounds Write in wazuh-execd via ar.conf
summary: >-
  Wazuh from 1.0.0 before 4.14.9 contains an out-of-bounds write vulnerability
  in wazuh-execd that allows privileged manager-configuration attackers to
  corrupt root process memory via excess ar.conf entries. Attackers controlling
  ossec.con…
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-787
vendor: wazuh
product: wazuh
affected:
  - wazuh >= 1.0.0 < 4.14.9
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T17:29:49.326701Z'
exploitAvailable: true
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T17:30:19.897Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112334'
references:
  - url: 'https://github.com/wazuh/wazuh/security/advisories/GHSA-f4pj-j296-jwp2'
    label: GitHub Security Advisory (GHSA-f4pj-j296-jwp2)
  - url: 'https://github.com/wazuh/wazuh/releases/tag/v4.14.9'
    label: wazuh v4.14.9 Release Notes
  - url: >-
      https://www.vulncheck.com/advisories/wazuh-1.0.0-before-4.14.9-out-of-bounds-write-in-wazuh-execd-via-ar-conf
    label: >-
      VulnCheck Advisory: Wazuh 1.0.0 before 4.14.9 Out-of-Bounds Write in
      wazuh-execd via ar.conf
tags:
  - cve.org
  - exploit-available
ingestedAt: '2026-11-06T15:54:04.089Z'
epss: 0.00562
epssPercentile: 0.46968
---

## Overview

Wazuh from 1.0.0 before 4.14.9 contains an out-of-bounds write vulnerability in wazuh-execd that allows privileged manager-configuration attackers to corrupt root process memory via excess ar.conf entries. Attackers controlling ossec.conf active-response blocks can push over 64 commands to agents, overflowing ReadExecConfig() arrays and crashing Active Response fleet-wide.

## Affected

- `wazuh >= 1.0.0 < 4.14.9`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.