PT-2026-54769 · Elastic · Elasticsearch

Kruskall · Published 2026-07-01 · Updated 2026-07-01 · CVE-2026-49090

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Elasticsearch (affected versions not specified)

Description An authenticated user can trigger a denial of service by submitting a specially crafted bulk request. This leads to uncontrolled resource consumption through excessive allocation, resulting in sustained high CPU usage that can render the affected node unable to process requests.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2026-49090

Affected Products

Elasticsearch

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-49090 · Security Note
• https://twitter.com/infoflowcloud/status/2072389978760388804 · Twitter Post
• https://twitter.com/CVEnew/status/2072388048076062821 · Twitter Post
• https://discuss.elastic.co/t/elasticsearch-7-17-24-8-15-0-security-update-esa-2026-52 · Note