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CVE-2025-37731 — MEDIUM severity vulnerability | Release Alert

CVE-2025-37731

6.8

MEDIUMCVSS v3

Published

December 15, 2025

Affected

11 projects

Assigned by

[email protected]

Severity scale

010

Description

Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.

elastic/elasticsearch

GitHubFree and Open Source, Distributed, RESTful Search Engine

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

NPMThe official low-level Elasticsearch client for Node.js and the browser.

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

More on this CVE

NVD↗GitHub Advisory↗

NuGet GalleryElasticsearch is a flexible and powerful open source, distributed, real-time search and analytics engine.

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

Chocolatey## The heart of the free and open Elastic Stack Elasticsearch is a distributed, RESTful search and analytics engine capable of addressing a growing number of use cases. As the heart of the Elastic Stack, it centrally stores your data for lightning fast search, fine‑tuned relevancy, and powerful analytics that scale with ease. **Please Note**: This is an automatically updated package. If you find it is out of date by more than a day or two, please contact the maintainer(s) and let them know [here](https://github.com/mkevenaar/chocolatey-packages/issues) that the package is no longer updating correctly.

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

Docker HubElasticsearch is a powerful open source search and analytics engine that makes data easy to explore.

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

Python Package IndexPython client for Elasticsearch

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

Crates.ioOfficial Elasticsearch Rust client

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

RubyGemsRuby integrations for Elasticsearch (client, API, etc.)

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

elasticsearch/elasticsearch

PackagistPHP Client for Elasticsearch

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

elasticsearch/elasticsearch

Elastic Container RegistryContainer image hosted on docker.elastic.co

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD

@elastic/elasticsearch

NPMThe official Elasticsearch client for Node.js

>= 7.0.0, <= 7.17.29, >= 8.0.0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2NVD