Improper Certificate Validation Affecting org.elasticsearch.plugin:x-pack-security package, versions [7.8.1,8.19.8)[9.0.0-beta1,9.1.8)[9.2.0,9.2.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published16 Dec 2025
- disclosed15 Dec 2025
- creditUnknown
Introduced: 15 Dec 2025
CVE-2025-37731 (opens in a new tab)How to fix?
Upgrade org.elasticsearch.plugin:x-pack-security to version 8.19.8, 9.1.8, 9.2.2 or higher.
Overview
org.elasticsearch.plugin:x-pack-security is an Elasticsearch Expanded Pack Plugin - Security
Affected versions of this package are vulnerable to Improper Certificate Validation via the PKI realm. An attacker can impersonate other users by presenting specially crafted client certificates signed by a trusted Certificate Authority.
Note: This is only exploitable if the attacker possesses a client certificate signed by a legitimate, trusted Certificate Authority.