CVE-2026-49090

FAUCET Score

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk request that causes sustained high CPU consumption, which can render the affected node unable to process requests.

First published: Jul 1, 2026Last modified: Jul 1, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 7.0.0, < 7.17.24CPE matchmatch criteria	cpe:2.3:a:elastic:elasticsearch::::::::
		>= 8.0.0, < 8.15.0CPE matchmatch criteria	cpe:2.3:a:elastic:elasticsearch::::::::
		>= 7.0.0, <= 7.17.23CPE match	cpe:2.3:a:elastic:elasticsearch::::::::
		>= 8.0.0, <= 8.14.3CPE match	cpe:2.3:a:elastic:elasticsearch::::::::

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.25%

Probability of exploitation in next 30 days

EPSS Percentile

16.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0025 is in the 20th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

microsoft2026-Jul/CVE-2026-49090Moderate

Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

Jul 2, 2026

References

discuss.elastic.co / t/elasticsearch-7-17-24-8-15-0-security-update-esa-2026-52

Vendor Advisory