Wazuh up to 4.14.2 deserialization

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Wazuh up to 4.14.2. Affected by this vulnerability is an unknown functionality. The manipulation results in deserialization. This vulnerability is cataloged as CVE-2026-25769. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Wazuh up to 4.14.2. It has been classified as problematic. Affected is an unknown code block. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared by The Master as GHSA-3gm7-962f-fxw5. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-25769 since 02/05/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.14.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0771). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source Wazuh

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wazuh 4.14.3

Timelineinfo

02/05/2026 CVE reserved
03/17/2026 +40 days Advisory disclosed
03/17/2026 +0 days VulDB entry created
03/21/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-3gm7-962f-fxw5
Researcher: The Master
Status: Confirmed

CVE: CVE-2026-25769 (🔒)
GCVE (CVE): GCVE-0-2026-25769
GCVE (VulDB): GCVE-100-351384
CERT Bund: WID-SEC-2026-0771 - Wazuh: Mehrere Schwachstellen ermöglichen

Entryinfo

Created: 03/17/2026 19:31
Updated: 03/21/2026 19:31
Changes: 03/17/2026 19:31 (63), 03/18/2026 18:32 (7), 03/21/2026 19:31 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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