CVE-2026-72684
An attacker can exploit multiple vulnerabilities in Elasticsearch to execute arbitrary code and to perform a denial of service attack.
CSIRTS triage
- What
- Multiple vulnerabilities in Elasticsearch enable arbitrary code execution and denial of service attacks.
- Who is affected
- All Elasticsearch clusters running affected versions are vulnerable.
- Urgency
- High severity RCE vulnerabilities require immediate attention to prevent cluster compromise.
- Action
- Apply Elasticsearch security updates addressing CVE-2026-72636 through CVE-2026-72678.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[NEW] [high] Elasticsearch: Multiple vulnerabilitiescert-bund · 2026-08-14
- mediumCVE-2026-72684: A flaw in Elasticsearch allows an authenticated user holding only read privileges to submit a …nvd · 2026-08-13
External references
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[](https://www.csirts.com/cve/CVE-2026-72684)