CVE-2018-3826: Elastic Elasticsearch

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

In Elasticsearch versions 6.0.0-beta1 to 6.2.4 a disclosure flaw was found in the _snapshot API. When the access_key and security_key parameters are set using the _snapshot API they can be exposed as plain text by users able to query the _snapshot API.

Affected products

• Elastic Elasticsearch: from 6.0.0, up to and including 6.2.4; version 6.0.0 only

Published 2018-09-19. Last modified 2026-06-17.