CVE-2018-11764: Authentication bypass in Apache Hadoop
Summary
CVE-2018-11764: Authentication bypass in Apache Hadoop. Affects org.apache.hadoop:hadoop-main across 3 version ranges.
>= 3.0.0, < 3.0.1
>= 3.0.0-alpha4, < 3.0.1
>= 3.0.0-beta1, < 3.0.1
Fixed in 3.0.1. How to fix ↓
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Background
Apache Hadoop is an open-source framework used for distributed storage and processing of large datasets. It provides a scalable and reliable platform for big data analytics. The 'org.apache.hadoop:hadoop-main' package is a core component of Apache Hadoop, responsible for various functionalities such as file system operations, job scheduling, and resource management. This package is widely used in Hadoop deployments across different industries.
Vulnerability Detail
The vulnerability identified as CVE-2018-11764 affects Apache Hadoop versions 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. It involves a broken web endpoint authentication check, allowing authenticated users to impersonate any user without requiring a proxy user configuration. This means that an attacker with valid credentials can bypass the authentication mechanism and perform actions on behalf of other users, potentially gaining unauthorized access to sensitive data or performing malicious activities within the Hadoop cluster.
How To Fix
Latest published version: 3.5.0 as of 22 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
3.0.1
This is the first release that contains the fix.
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Workaround
There is no specific workaround provided for this vulnerability. It is crucial to apply the recommended fix by upgrading the 'org.apache.hadoop:hadoop-main' package to the patched version.
Conclusion
The authentication bypass vulnerability in Apache Hadoop can have severe consequences, allowing authenticated users to impersonate any user within the cluster. It is crucial to promptly upgrade the 'org.apache.hadoop:hadoop-main' package to version 3.0.1 or later to mitigate the vulnerability and ensure the security of the Hadoop deployment. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for org.apache.hadoop:hadoop-main →
FAQ
Apache Hadoop is an open-source framework for distributed storage and processing of large datasets. It provides a scalable and reliable platform for big data analytics.
The vulnerability affects Apache Hadoop versions 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0.
The vulnerability allows authenticated users to impersonate any user within the Hadoop cluster, potentially leading to unauthorized access to sensitive data or malicious activities.
To fix this vulnerability, upgrade the 'org.apache.hadoop:hadoop-main' package to version 3.0.1 or later.
No specific workaround is provided. It is recommended to apply the fix by upgrading the package to the patched version.
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