CVE-2026-106475: Elasticsearch data source resource proxy allows arbitrary methods and paths with the data source's credentials
Published Nov 12, 2026
·Updated
The Elasticsearch data source resource proxy forwards the request method and path to Elasticsearch using the data source's own credentials, without restricting them to the operations the plugin needs. A user who can query the data source can alter index mappings or reach other indices on the cluster. [Improper authorization / path validation]
Event History
Nov 12, 2026
CVE Published
via MITRE·05:40 PM
Data Sourced
via MITRE·05:40 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Who can exploit this issue?
A user who can query the Elasticsearch data source can exploit it. The provided data does not indicate that unauthenticated users can do so.
2
What access could an attacker gain through the vulnerable proxy?
Requests are sent with the data source's own Elasticsearch credentials. An attacker could alter index mappings or access other indices in the cluster that those credentials permit.