CVE-2026-44901

Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability

HIGH
8.4
CVSS Score
Published: August 19, 2026 at 04:12 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
1 product affected across 1 vendorWazuh

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Severity
HIGH8.4
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.0.0 ≤ v < 4.14.65.0.05.0.0 beta15.0.0 beta2
Affected range stops below 4.14.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.0.0-beta2, so it looks safe — our inference, not a vendor statement

References (5)

x_refsource_CONFIRMExploitVendor Advisory
Source: cverecord
https://github.com/wazuh/wazuh/security/advisories/GHSA-8c6v-7g3w-prrq
x_refsource_MISCIssue TrackingPatch
Source: cverecord
https://github.com/wazuh/wazuh/pull/35757
x_refsource_MISCPatchRelease Notes
Source: cverecord
https://github.com/wazuh/wazuh/releases/tag/v4.14.6
x_refsource_MISCPatchRelease Notes
Source: cverecord
https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.4HIGHGitHub_M
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-502

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