Vulnerability DatabaseCVE-2026-56699
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CVE-2026-56699
Published:July 15, 2026
Updated:August 04, 2026
Wazuh Manager before 5.0.0-beta3 fails to escape the DataValue.index field when constructing OpenSearch bulk requests, allowing enrolled agents to inject arbitrary NDJSON operations. Attackers can smuggle delete, index, or update operations into bulk requests executed under the manager's admin credentials, enabling document deletion, alert tampering, and cross-agent SIEM state manipulation.
Affected Packages
https://github.com/wazuh/wazuh.git (GITHUB):
Affected version(s) >=v5.0.0-beta1 <v5.0.0-beta3
Fix Suggestion:
Update to version v5.0.0-beta3
Related Resources (4)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56699.json
https://github.com/wazuh/wazuh/security/advisories/GHSA-ff9g-85jq-r3g3
https://www.vulncheck.com/advisories/wazuh-manager-ndjson-injection-in-inventory-sync-via-agent-controlled-datavalue-index
https://nvd.nist.gov/vuln/detail/CVE-2026-56699
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CVSS v4
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-74
EPSS
Base Score:
0.35