Elasticsearch vulnerable to Uncontrolled Resource Consumption
An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.elasticsearch:elasticsearch | < 7.17.13, >= 8.0.0, < 8.9.0 | 7.17.13, 8.9.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-400- Platform
- Java / Kotlin (Maven)
- Package
org.elasticsearch:elasticsearch- Disclosed
- 26.10.2023
- Updated
- 11.10.2026 13:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-2cqf-6xv9-f22w - CC BY 4.0
Vulnerability history: org.elasticsearch:elasticsearch
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 40
- First → latest
- 03.2021 05.2025
- Without a fix
- 0
- Exploited in attacks
- 2
Severity breakdown
- High 8
- Medium 31
- Low 1
Disclosures per year
- 2021: 7
- 2022: 19
- 2023: 4
- 2024: 7
- 2025: 3
- 2026: 0
-
Elasticsearch vulnerable to Uncontrolled Resource Consumption this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.