Exposure of Sensitive Information to an Unauthorized Actor in Elasticsearch
Elasticsearch versions 7.0.0-7.3.2 and 6.7.0-6.8.3 contain a username disclosure flaw was found in the API Key service. An unauthenticated attacker could send a specially crafted request and determine if a username exists in the Elasticsearch native realm.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.elasticsearch:elasticsearch | >= 6.7.0, < 6.8.4, >= 7.0.0, < 7.4.0 | 6.8.4, 7.4.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-200- Platform
- Java / Kotlin (Maven)
- Package
org.elasticsearch:elasticsearch- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-hxp8-r9g3-grfr - 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
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Exposure of Sensitive Information to an Unauthorized Actor in Elasticsearch this entry
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