CVE-2025-37731

—

CVSS 3.1

7.4 high

EPSS

<1%p9

Published

Dec 15, 2025 (Dec 15, 2025)

Modified

Jun 17, 2026

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.

Vendors: elastic
Products: elasticsearch
Weakness: CWE-287
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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