Headline
GHSA-m9gh-789g-q5pv: Elasticsearch PKI Realm Authentication Bypass Vulnerability Allows User Impersonation Through Crafted Client Certificates
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.
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- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-37731
Elasticsearch PKI Realm Authentication Bypass Vulnerability Allows User Impersonation Through Crafted Client Certificates
Moderate severity GitHub Reviewed Published Dec 15, 2025 to the GitHub Advisory Database • Updated Dec 16, 2025
Package
maven org.elasticsearch:elasticsearch (Maven)
Affected versions
>= 7.0.0-alpha1, < 8.19.8
>= 9.0.0-beta1, < 9.1.8
>= 9.2.0, < 9.2.2
Patched versions
8.19.8
9.1.8
9.2.2
Description
Published to the GitHub Advisory Database
Dec 15, 2025
Last updated
Dec 16, 2025