CVE-2026-78607
Missing Authorization in Elasticsearch Leading to Information Disclosure
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.
| CWE | CWE-862 |
| Vendor | elastic |
| Product | elasticsearch |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 1, 2026 |
| Last Updated | Sep 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Elastic / Elasticsearch
8.0.0 ≤ 8.19.18 9.0.0 ≤ 9.3.7 9.4.0 ≤ 9.4.3 9.5.0