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.
CVE-2026-56699
CRITICALPre-NVD 10.010.0—Trending — 3 sources updated this weekElevated
EchelonGraph scoreHIGH confidence
Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-15. a secondary CVSS source baseline 10.0; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: —CVSS: 10.0Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 10.0
- EG Score
- 10.0(high)
- EPSS
- —
- KEV
- Not listed
Published
July 15, 2026
Last Modified
July 15, 2026
Advisory Details (2)
Auto-updated Jul 16, 2026🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available
Enrolled agent can smuggle arbitrary OpenSearch _bulk operations via DataValue.index · Advisory · wazuh/wazuh · GitHub
https://github.com/wazuh/wazuh/security/advisories/GHSA-ff9g-85jq-r3g3generic
Wazuh Manager - NDJSON Injection in inventory_sync via Agent-Controlled DataValue.index | Advisories | VulnCheck
https://www.vulncheck.com/advisories/wazuh-manager-ndjson-injection-in-inventory-sync-via-agent-controlled-datavalue-indexVendor Advisories for CVE-2026-56699(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 8× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-16 00:06 UTCEG score recompute
- 2026-07-16 00:06 UTCGHSA enrichment
- 2026-07-15 20:02 UTCEG score recompute
- 2026-07-15 20:02 UTCGHSA enrichment
- 2026-07-15 15:58 UTCEG score recompute
- 2026-07-15 15:58 UTCGHSA enrichment
- 2026-07-15 11:55 UTCEG score recompute
- 2026-07-15 11:54 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-74
- CVE-2015-10062NVD 5.5EG 9.8MEDIUM
- CVE-2015-10027NVD 5.5EG 9.8MEDIUM
- CVE-2016-15007NVD 5.5EG 9.8MEDIUM
- CVE-2016-15004NVD 7.3EG 9.8HIGH
- CVE-2013-4144EG 9.8CRITICAL
- CVE-2013-7487EG 9.8CRITICAL
- CVE-2014-4678EG 9.8EPSS 92%CRITICAL
- CVE-2014-4967EG 9.8CRITICAL
- CVE-2014-4966EG 9.8CRITICAL
- CVE-2013-7381EG 9.8CRITICAL
Frequently asked(4)
What is CVE-2026-56699?
CVE-2026-56699 is a critical vulnerability published on July 15, 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…
When was CVE-2026-56699 disclosed?
CVE-2026-56699 was first published in the National Vulnerability Database on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-56699?
CVE-2026-56699 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-56699?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56699, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-56699
Is Your Infrastructure Affected by CVE-2026-56699?
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