CVE-2017-8441

Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.

• CWE-279
• CWE-200

• https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952Vendor Advisory
• https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-releasedRelease Notes, Vendor Advisory
• https://www.elastic.co/community/securityVendor Advisory
• https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952Vendor Advisory
• https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-releasedRelease Notes, Vendor Advisory
• https://www.elastic.co/community/securityVendor Advisory

Published

Jun 5, 2017

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.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2017-8420SWFTools 2013-04-09-1007 on Windows has a "Data from Faultin…
• CVE-2017-8421The function coff_set_alignment_hook in coffcode.h in Binary…
• CVE-2017-8422KDE kdelibs before 4.14.32 and KAuth before 5.34 allow local…
• CVE-2017-8438Elastic X-Pack Security versions 5.0.0 to 5.4.0 contain a pr…
• CVE-2017-8439Kibana version 5.4.0 was affected by a Cross Site Scripting …
• CVE-2017-8440Starting in version 5.3.0, Kibana had a cross-site scripting…
• CVE-2017-8442Elasticsearch X-Pack Security versions 5.0.0 to 5.4.3, when …
• CVE-2017-8443In Kibana X-Pack security versions prior to 5.4.3 if a Kiban…
• CVE-2017-8444The client-forwarder in Elastic Cloud Enterprise versions pr…
• CVE-2017-8445An error was found in the X-Pack Security TLS trust manager …
• CVE-2017-8446The Reporting feature in X-Pack in versions prior to 5.5.2 a…
• CVE-2017-8447An error was found in the X-Pack Security 5.3.0 to 5.5.2 pri…