CVE-2019-7614: Vulnerability in Elasticsearch
Summary
CVE-2019-7614: Concurrent Execution using Shared Resource with Improper Synchronization in Elasticsearch. Affects org.elasticsearch:elasticsearch across 2 version ranges.
< 6.8.2
>= 7.0.0, < 7.2.1
Fixed in 6.8.2 or 7.2.1, depending on the release line you run. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
Elasticsearch is an open-source search and analytics engine built on Apache Lucene. It provides distributed, real-time search and analytics capabilities for various types of data. This vulnerability affects versions before 7.2.1 and 6.8.2 of Elasticsearch. It is a race condition flaw in the response headers returned to a request. On a system with multiple users submitting requests, an attacker could potentially gain access to response headers containing sensitive data from another user.
Vulnerability Detail
The vulnerability arises due to a race condition in the response headers of Elasticsearch. When multiple users submit requests simultaneously, there is improper synchronization, allowing an attacker to access response headers that belong to another user. This could lead to the exposure of sensitive data, compromising the confidentiality of user information.
How To Fix
Latest published version: 9.5.5 as of 22 Oct 2026
Upgrading to it may include breaking changes; the versions below are the minimum fixed release for this vulnerability.
If you can't move to the latest
The minimum fixed version depends on the release line you run.
-
< 6.8.26.8.2 -
>= 7.0.0, < 7.2.17.2.1
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
There is no specific workaround provided for this vulnerability. It is crucial to apply the recommended fix by upgrading to the patched versions of Elasticsearch.
Conclusion
The vulnerability in Elasticsearch versions before 7.2.1 and 6.8.2 allows for unauthorized access to response headers, potentially exposing sensitive data. It is crucial to upgrade to the patched versions to mitigate this risk. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for org.elasticsearch:elasticsearch →
FAQ
The vulnerability allows an attacker to access response headers containing sensitive data from another user. This could lead to the exposure of confidential information and potential misuse by the attacker.
Versions before 7.2.1 and 6.8.2 of Elasticsearch are affected by this vulnerability.
There are no known exploits for this vulnerability at the moment.
Yes, the CVSS score for this vulnerability is 5.9.
Yes, you can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities using just the pom.xml file.
Related vulnerabilities
Recent vulnerabilities recorded for org.elasticsearch:elasticsearch.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
