CVE-2026-56145: Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

mediumCVSS 6.5CVE-2026-56145

CSIRTS triage

vendor: Elasticsearch product: Elasticsearch Denial of service

What: Uncontrolled resource consumption can lead to a denial of service.
Who is affected: Deployments of Elasticsearch that are susceptible to resource exhaustion.
Urgency: Remediation is medium urgency due to the medium severity and potential for denial of service.
Action: Apply patches or updates to mitigate the issue.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 6.5
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56145

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-561450.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-56145	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Uncontrolled Resource Consumption

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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