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CVE-2026-56699

CRITICAL Exploitation: PoC
10.0
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-56699
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-22 17:09 UTC
Published
2026-07-15 11:25 UTC
Last updated
2026-07-15 12:42 UTC
Primary CWE
CWE-74
Improper Neutralization of Special Elements in Output Used b…
Vendor / Product
wazuh / wazuh
Sources
cve.org  ·  NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
wazuh wazuh — 5.0.0-beta1 < 5.0.0-beta3, 5.0.0-beta3
Weakness (CWE)
CWESourceDescription
CWE-74 cna Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVSS scores (2)
ScoreSeverityVersionSourceVector
10.0 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
10.0 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References (2)
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