CVE-2026-115298
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Elasticsearch
PublishedNov 3, 2026
First seenNov 4, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Elastic Elasticsearch | 8.0.0 ≤ v ≤ 8.19.23, 9.0.0 ≤ v ≤ 9.4.8, 9.5.0 ≤ v ≤ 9.5.5 | — |
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