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CVE-2026-49441

Wazuh path traversal

9.1 CRITICALPublic exploitEPSS 0.77%
  1. Published19 Aug 2026

Description

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 process_files_from_worker() in framework/wazuh/core/cluster/master.py trusts a peer-controlled file_path key from files_metadata.json. The destination is joined to WAZUH_PATH without proving that it remains inside the directory selected by cluster_item_key. 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Wazuh≥ 4.3.0 < 4.14.6 · 5.0.0

Remediation

Fixed in
Wazuh≥ 4.14.6

References

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Frequently asked

Is CVE-2026-49441 being actively exploited?

CVE-2026-49441 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.77%.

How severe is CVE-2026-49441?

CVE-2026-49441 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.77% probability of exploitation.

Which products are affected by CVE-2026-49441?

Affected products include Wazuh.

How do I fix CVE-2026-49441?

Upgrade affected software to a fixed version, for example Wazuh 4.14.6 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.