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CVE

CVE-2026-49441

Wazuh : peer-controlled metadata key in process_files_from_worker non-merged branch allows arbitrary file write under WAZUH_PATH on Wazuh manager
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CVE

CVE-2026-49441

Wazuh : peer-controlled metadata key in process_files_from_worker non-merged branch allows arbitrary file write under WAZUH_PATH on Wazuh manager

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.3.0 until 4.14.6 and 5.0.0-beta3, the non-merged branch of processfilesfromworker() in framework/wazuh/core/cluster/master.py trusts a peer-controlled filepath key from filesmetadata.json. The destination is joined to WAZUHPATH without proving that it remains inside the directory selected by clusteritemkey. A cluster peer holding the shared Fernet key can upload a crafted extra-valid archive and overwrite security-sensitive files such as /var/ossec/etc/ossec.conf. Replacing ossec.conf can configure root-executed commands and lead to code execution after a service reload. This issue is fixed in versions 4.14.6 and 5.0.0-beta3.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/wazuh/wazuh/releases/tag/v4.14.6, https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta3, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49441.json, https://github.com/wazuh/wazuh/security/advisories/GHSA-3v57-hgvj-3vj2, https://nvd.nist.gov/vuln/detail/CVE-2026-49441, https://github.com/wazuh/wazuh/commit/7f13682cf5f01f69452f723a608ab2d89cfb2133, https://github.com/wazuh/wazuh/pull/36296

Severity

9.1

CVSS Score
0
10

Basic Information

Base CVSS
9.1
EPSS Probability
0.00461%
EPSS Percentile
0.38082%
Introduced Version
cddd833300cb5af494ba7dab31192bae649eb184
Fix Available
7f13682cf5f01f69452f723a608ab2d89cfb2133

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