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.
This CVE has been withdrawn by MITRE
MITRE marked CVE-2026-56401 as REJECTED on . It is no longer considered a valid vulnerability record. The original content below is preserved for historical reference only.
Reason given by MITRE
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
CVE-2026-56401
✕ Withdrawn — historical dataMEDIUMPre-NVD 6.5
6.5CVSS
- CVSS v3
- 6.5
- EchelonGraph score
- Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.
- EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- —Not applicable: this CVE ID was withdrawn
Published
July 8, 2026
Last Modified
July 9, 2026
References (3)
- disclosure@vulncheckhttps://github.com/wazuh/wazuh/commit/3adf4f87942705aa0ceeba1e145c259cc9dcd242
- disclosure@vulncheck · CISA-ADPhttps://github.com/wazuh/wazuh/security/advisories/GHSA-6hxp-c9x3-qc7p
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/wazuh-null-pointer-dereference-in-inventory-sync-datavalue-flatbuffer-handling
Frequently asked(4)
What is CVE-2026-56401?
CVE-2026-56401 is a rejected CVE ID: its record was withdrawn on July 15, 2026 and no longer describes a vulnerability. Reason given: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
When was the CVE record for CVE-2026-56401 published?
The CVE record for CVE-2026-56401 was published on July 8, 2026. EchelonGraph's copy of the record carries a last-modified date of July 9, 2026; the record at its source may have been updated since.
What is the CVSS score of CVE-2026-56401?
CVE-2026-56401 has a CVSS base score of 6.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-56401?
There is nothing to remediate under CVE-2026-56401: it is a rejected (withdrawn) CVE ID and no longer describes a vulnerability.