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CVE-2026-30893

Wazuh path traversal

9.0 CRITICALEPSS 0.62%
  1. Published29 Apr 2026

Description

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.4.0 to before version 4.14.4, a path traversal vulnerability in Wazuh's cluster synchronization extraction routine allows an authenticated cluster peer to write arbitrary files outside the intended extraction directory on other cluster nodes. This can be escalated to code execution in the Wazuh service context by overwriting Python modules loaded by Wazuh components (proof of concept available as separate attachment). In deployments where the cluster daemon runs with elevated privileges, system-level compromise is possible. This issue has been patched in version 4.14.4.

CVSS 3.1 breakdown

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

Affected products

Wazuh≥ 4.4.0 < 4.14.4

Remediation

Fixed in
Wazuh≥ 4.14.4

References

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Frequently asked

Is CVE-2026-30893 being actively exploited?

CVE-2026-30893 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.62%.

How severe is CVE-2026-30893?

CVE-2026-30893 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.62% probability of exploitation.

Which products are affected by CVE-2026-30893?

Affected products include Wazuh.

How do I fix CVE-2026-30893?

Upgrade affected software to a fixed version, for example Wazuh 4.14.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-30893 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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