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CVE-2026-44901— Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability

Quick assessment

Affected
wazuh wazuh
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Wazuh是美国Wazuh公司开源的一款安全检测与威胁分析平台。 Wazuh 4.0.0至4.14.6之前版本和5.0.0-beta1至5.0.0-beta2之前版本存在反序列化注入漏洞，该漏洞源于framework/wazuh/core/results.py中的AffectedItemsWazuhResult.merge()方法信任集群worker JSON响应中的sort_casting字段，攻击者控制的类型名称通过Python内置函数解析且缺少白名单，可能导致以root权限执行有效载荷。

CVSS 8.4 · High EPSS 0.72% · P51

Affected Version Matrix 2

VendorProduct Version RangeStatus
wazuh wazuh >= 4.0.0, < 4.14.6 affected
>= 5.0.0-beta1, < 5.0.0-beta2 affected
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I. Basic Information for CVE-2026-44901

Vulnerability Information
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Vulnerability Title
Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta2, AffectedItemsWazuhResult.merge() in framework/wazuh/core/results.py trusts the sort_casting field in a cluster worker's JSON response. During a distributed API merge, attacker-controlled type names are resolved through Python builtins without an allowlist. A compromised worker can set sort_casting to exec and place Python source in affected_items, causing the master to execute the payload as root when responses from multiple nodes are merged. This issue is fixed in versions 4.14.6 and 5.0.0-beta2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Wazuh 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wazuh是美国Wazuh公司开源的一款安全检测与威胁分析平台。 Wazuh 4.0.0至4.14.6之前版本和5.0.0-beta1至5.0.0-beta2之前版本存在反序列化注入漏洞，该漏洞源于framework/wazuh/core/results.py中的AffectedItemsWazuhResult.merge()方法信任集群worker JSON响应中的sort_casting字段，攻击者控制的类型名称通过Python内置函数解析且缺少白名单，可能导致以root权限执行有效载荷。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wazuh wazuh >= 4.0.0, < 4.14.6 -

II. Public POCs for CVE-2026-44901

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Qwen3.6-35B-A3B · 9444 chars
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III. Intelligence Information for CVE-2026-44901

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Patches & Fixes for CVE-2026-44901 (2)

Vendor Advisories for CVE-2026-44901 (1)

Vendor Pages for CVE-2026-44901 (2)

Same Patch Batch · wazuh · 2026-08-19 · 13 CVEs total

CVE-2026-48162 9.1 CRITICAL Wazuh: cluster peer can read arbitrary master files and forge offline REST API administrat
CVE-2026-48024 9.1 CRITICAL Wazuh: merged-file header path traversal in cluster sync allows arbitrary file write under
CVE-2026-49441 9.1 CRITICAL Wazuh : peer-controlled metadata key in process_files_from_worker non-merged branch allows
CVE-2026-41424 8.2 HIGH Wazuh: Privilege Escalation via Admin-Protection Bypass in update-user API Endpoint
CVE-2026-44252 7.7 HIGH Wazuh Manager dapi RBAC Bypass Allows Privilege Escalation
CVE-2026-46343 7.5 HIGH Wazuh: Arbitrary File Deletion via Cluster Protocol – Incomplete Path Validation in end_re
CVE-2026-45798 7.5 HIGH Wazuh: Pre-auth stack-buffer-overflow in compare_wazuh_versions reachable from wazuh-authd
CVE-2026-44254 5.3 MEDIUM Wazuh: Stack Out-of-Bounds Write in remoted Decompression Path
CVE-2026-44256 5.3 MEDIUM Wazuh: CRLF Log Injection via Unsanitized Basic-Auth Username
CVE-2026-44255 5.3 MEDIUM Wazuh: Username Enumeration via Timing Side-Channel
CVE-2026-49392 5.3 MEDIUM Wazuh: Local SQL injection in FIM db due to path lookup interpolation in wazuh-syscheckd
CVE-2026-44253 4.9 MEDIUM Wazuh: Cluster Protocol Memory Exhaustion (DoS) via unbounded receive_str allocation and d

IV. Related Vulnerabilities

Same product: wazuh
Same vendor: wazuh
Same weakness: CWE-502

V. Comments for CVE-2026-44901

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