---
id: CVE-2026-112336
title: Wazuh Manager 3.0.0 before 4.14.9 Memory Leak DoS via JSON Decoder
summary: >-
  Wazuh Manager from 3.0.0 before 4.14.9 contains a memory leak vulnerability in
  the generic JSON decoder that allows remote attackers to exhaust
  wazuh-analysisd memory via repeated static fields. Attackers can enroll an
  agent through pass…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-401
vendor: wazuh
product: wazuh
affected:
  - wazuh >= 3.0.0 < 4.14.9
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T15:00:43.868Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112336'
references:
  - url: 'https://github.com/wazuh/wazuh/security/advisories/GHSA-6w6h-fwqm-6hjj'
    label: GitHub Security Advisory (GHSA-6w6h-fwqm-6hjj)
  - url: >-
      https://github.com/wazuh/wazuh/commit/7fdd928228fa0478814277ab3e49bda9809cd50a
    label: Patch Commit
  - url: >-
      https://github.com/wazuh/wazuh/commit/c7df52ee8158577e7bd830e2b84d024612561f8b
    label: Patch Commit
  - 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-manager-3.0.0-before-4.14.9-memory-leak-dos-via-json-decoder
    label: >-
      VulnCheck Advisory: Wazuh Manager 3.0.0 before 4.14.9 Memory Leak DoS via
      JSON Decoder
tags:
  - cve.org
ingestedAt: '2026-11-06T15:54:04.088Z'
epss: 0.0056
epssPercentile: 0.46835
---

## Overview

Wazuh Manager from 3.0.0 before 4.14.9 contains a memory leak vulnerability in the generic JSON decoder that allows remote attackers to exhaust wazuh-analysisd memory via repeated static fields. Attackers can enroll an agent through passwordless enrollment and send events with duplicate fields such as id, triggering an OOM kill that disables alerting.

## Affected

- `wazuh >= 3.0.0 < 4.14.9`

## Remediation

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