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.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
wazuh wazuh unaffected
Version Status Constraints
1.0.0 affected < 4.14.9
4.14.9 unaffected —

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/wazuh/wazuh/releases/tag/v4.14.9 cve-icon cve-icon
https://github.com/wazuh/wazuh/security/advisories/GHSA-f4pj-j296-jwp2 cve-icon cve-icon
https://www.vulncheck.com/advisories/wazuh-1.0.0-before-4.14.9-out-of-bounds-write-in-wazuh-execd-via-ar-conf cve-icon cve-icon
History

Fri, 06 Nov 2026 15:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Wazuh 1.0.0 before 4.14.9 Out-of-Bounds Write in wazuh-execd via ar.conf
First Time appeared Wazuh
Wazuh wazuh
Weaknesses CWE-787
CPEs cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
Vendors & Products Wazuh
Wazuh wazuh
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-06T15:00:42.577Z

Reserved: 2026-10-19T14:41:46.701Z

Link: CVE-2026-112334

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T15:17:07.553

Modified: 2026-11-06T15:17:07.553

Link: CVE-2026-112334

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T16:30:07Z

Weaknesses