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CVE-2026-48024— Wazuh: merged-file header path traversal in cluster sync allows arbitrary file write under WAZUH_PATH in Wazuh manager

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-beta3之前版本存在路径遍历漏洞，该漏洞源于路径遍历，cluster.unmerge_info()根据对等方控制的merge_type和name值构造路径，process_files_from_worker()未充分限制路径，可能允许攻击者通过files_metadata.json或合并文件标头写入文件，替换/var/ossec/etc/ossec.conf

CVSS 9.1 · Critical EPSS 0.75% · P52

Affected Version Matrix 2

VendorProduct Version RangeStatus
wazuh wazuh >= 4.0.0, < 4.14.6 affected
>= 5.0.0-beta1, < 5.0.0-beta3 affected
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I. Basic Information for CVE-2026-48024

Vulnerability Information
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Vulnerability Title
Wazuh: merged-file header path traversal in cluster sync allows arbitrary file write under WAZUH_PATH in Wazuh manager
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-beta3, cluster.unmerge_info() in framework/wazuh/core/cluster/cluster.py constructs paths from peer-controlled merge_type and name values in a merged synchronization archive. process_files_from_worker() in framework/wazuh/core/cluster/master.py does not adequately confine the resulting path to the declared cluster item directory. A cluster peer holding the shared Fernet key can use traversal in files_metadata.json or a merged-file header to write files such as /var/ossec/etc/ossec.conf. Replacing ossec.conf can configure root-executed commands and lead to code execution when Wazuh services reload. This issue is fixed in versions 4.14.6 and 5.0.0-beta3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Wazuh 路径遍历漏洞
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-beta3之前版本存在路径遍历漏洞，该漏洞源于路径遍历，cluster.unmerge_info()根据对等方控制的merge_type和name值构造路径，process_files_from_worker()未充分限制路径，可能允许攻击者通过files_metadata.json或合并文件标头写入文件，替换/var/ossec/etc/ossec.conf
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-2026-48024

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Qwen3.6-35B-A3B · 12892 chars
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III. Intelligence Information for CVE-2026-48024

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Patches & Fixes for CVE-2026-48024 (2)

Vendor Advisories for CVE-2026-48024 (1)

Vendor Pages for CVE-2026-48024 (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-2026-49441 9.1 CRITICAL Wazuh : peer-controlled metadata key in process_files_from_worker non-merged branch allows
CVE-2026-44901 8.4 HIGH Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Remote Code Execution Vulner
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-22

V. Comments for CVE-2026-48024

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