CVE-2026-56699

CRITICALPre-NVD 10.010.0—
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: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 10.0Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
76(Attend)
EG Risk 76/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

July 15, 2026

Last Modified

July 15, 2026

Advisory Details (2)

Auto-updated Jul 23, 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-r3g3
generic

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-index

Vendor 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 28× in last 7d / 47× 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.

  1. 2026-07-28 17:09 UTCEG score recompute
  2. 2026-07-28 17:09 UTCGHSA enrichment
  3. 2026-07-28 15:37 UTCEPSS rescore
  4. 2026-07-28 12:43 UTCGHSA enrichment
  5. 2026-07-28 08:36 UTCGHSA enrichment
  6. 2026-07-28 04:29 UTCGHSA enrichment
  7. 2026-07-28 00:24 UTCGHSA enrichment
  8. 2026-07-27 20:12 UTCGHSA enrichment
  9. 2026-07-27 16:07 UTCEG score recompute
  10. 2026-07-27 16:07 UTCGHSA enrichment
  11. 2026-07-27 14:14 UTCEPSS rescore
  12. 2026-07-27 12:03 UTCGHSA enrichment
  13. 2026-07-27 08:00 UTCGHSA enrichment
  14. 2026-07-27 03:54 UTCGHSA enrichment
  15. 2026-07-26 23:49 UTCGHSA enrichment
  16. 2026-07-26 19:45 UTCGHSA enrichment
  17. 2026-07-26 15:42 UTCEG score recompute
  18. 2026-07-26 15:42 UTCGHSA enrichment
  19. 2026-07-26 14:54 UTCEPSS rescore
  20. 2026-07-26 14:54 UTCEPSS rescore
  21. 2026-07-26 11:38 UTCEG score recompute
  22. 2026-07-26 11:38 UTCGHSA enrichment
  23. 2026-07-25 14:18 UTCEPSS rescore
  24. 2026-07-25 14:18 UTCEPSS rescore
  25. 2026-07-24 14:18 UTCEPSS rescore
Show 22 more
  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 03:20 UTCEG score recompute
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-21 15:25 UTCEPSS rescore
  5. 2026-07-20 17:08 UTCEPSS rescore
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-19 14:31 UTCEPSS rescore
  8. 2026-07-19 02:29 UTCEPSS rescore
  9. 2026-07-18 10:04 UTCEPSS rescore
  10. 2026-07-17 04:41 UTCGHSA enrichment
  11. 2026-07-17 00:36 UTCGHSA enrichment
  12. 2026-07-16 20:32 UTCGHSA enrichment
  13. 2026-07-16 17:03 UTCEPSS rescore
  14. 2026-07-16 16:28 UTCGHSA enrichment
  15. 2026-07-16 12:23 UTCGHSA enrichment
  16. 2026-07-16 08:17 UTCGHSA enrichment
  17. 2026-07-16 04:10 UTCGHSA enrichment
  18. 2026-07-16 00:06 UTCGHSA enrichment
  19. 2026-07-15 20:02 UTCGHSA enrichment
  20. 2026-07-15 15:58 UTCGHSA enrichment
  21. 2026-07-15 11:55 UTCEG score recompute
  22. 2026-07-15 11:54 UTCMITRE cvelistV5first tracked

Frequently asked(5)

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.
Is CVE-2026-56699 actively exploited?
CVE-2026-56699 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 72.2% of all scored CVEs.
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

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