CVE-2026-56401
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
6.5 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Description
Wazuh wazuh-modulesd before 5.0.0-beta3 contains a null pointer dereference vulnerability in inventory_sync FlatBuffer DataValue handling. An enrolled agent can send a verifier-valid DataValue message omitting the optional id field, causing wazuh-modulesd to crash when dereferencing data->id()->string_view() without null validation, resulting in denial of service.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-476
Source
NVD
Vendor
Wazuh
Product
Wazuh
External References
- https://github.com/wazuh/wazuh/commit/3adf4f87942705aa0ceeba1e145c259cc9dcd242
- https://github.com/wazuh/wazuh/security/advisories/GHSA-6hxp-c9x3-qc7p
- https://www.vulncheck.com/advisories/wazuh-null-pointer-dereference-in-inventory-sync-datavalue-flatbuffer-handling
- https://github.com/wazuh/wazuh/security/advisories/GHSA-6hxp-c9x3-qc7p
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