[ CVE-2026-115298 · Published 3 Nov 2026 ]
Vulnerability in Elasticsearch
[ Description ]Official description
Incorrect Authorization (CWE-863) in Elasticsearch can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user whose index access is restricted by field-level security can retrieve the value of a constant_keyword field that their role excludes. Some search and query features do not apply the field-level security restriction to this field type.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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CERT-FRCERTFR-2026-AVI-1461
Multiple vulnerabilities in Elastic products Translated from French
Multiple vulnerabilities have been discovered in Elastic products. Some of them allow an attacker to cause remote arbitrary code execution, remote denial of service and a breach of data confidentiality.
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BSI CERT-BundWID-SEC-2026-4325
Elasticsearch: Multiple vulnerabilities Translated from German