CVE-2018-17244

Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; when used with run as, this can result in the request running as the incorrect user. This could allow a user to access information that they should not have access to.

• CWE-362
• CWE-200

• http://www.securityfocus.com/bid/106318Third Party Advisory, VDB Entry
• https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594Vendor Advisory
• https://www.elastic.co/community/securityVendor Advisory
• http://www.securityfocus.com/bid/106318Third Party Advisory, VDB Entry
• https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594Vendor Advisory
• https://www.elastic.co/community/securityVendor Advisory

Published

Dec 20, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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