CVE-2026-56401

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Source
https://cve.org/CVERecord?id=CVE-2026-56401
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56401.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-56401
Aliases
  • GHSA-6hxp-c9x3-qc7p
Published
2026-07-08T13:49:05.553Z
Modified
2026-07-17T03:48:02.026773371Z
Severity
  • 7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Wazuh - NULL Pointer Dereference in inventory_sync DataValue FlatBuffer Handling
Details

Wazuh wazuh-modulesd before 5.0.0-beta3 contains a null pointer dereference vulnerability in inventorysync 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()->stringview() without null validation, resulting in denial of service.

Database specific 
{
    "cwe_ids": [
        "CWE-476"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56401.json",
    "cna_assigner": "VulnCheck"
}
References

Affected packages

Git / github.com/wazuh/wazuh

Affected ranges

Type
GIT
Repo
https://github.com/wazuh/wazuh
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
da844a6fdafd7388d11114841482596d1efdf5b3
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.0.0-beta3"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

Other
issue-34476-fim-tests
v2.*
v2.0
v3.*
v3.1.0
v3.12.0
v3.13.0
v3.13.1
v3.2.0
v3.5.0
v3.6.0
v3.6.1
v3.7.0
v3.8.0
v5.*
v5.0.0-alpha0
v5.0.0-beta1
v5.0.0-beta2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56401.json"