CVE-2018-11767: Improper Privilege Management in org.apache.hadoop:hadoop-main

org.apache.hadoop:hadoop-main Updated 02 Oct 2025

Summary

25/03/2019

Disclosed on

CVE-2018-11767

CVE

Yes i

Fix available

High

Severity

7.4

CVSS Score

CVE-2018-11767: Improper Privilege Management in org.apache.hadoop:hadoop-main. Affects org.apache.hadoop:hadoop-main across 3 version ranges.

>= 2.7.5, < 2.7.7 >= 2.8.3, < 2.8.5 >= 2.9.0, < 2.9.2

Fixed in 2.7.7, 2.8.5 or 2.9.2, depending on the release line you run. How to fix ↓

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Background

The org.apache.hadoop:hadoop-main package is a Maven package that is part of the Apache Hadoop project. Apache Hadoop is an open-source framework for distributed storage and processing of large datasets. The hadoop-main package is a core component of Hadoop, providing essential functionality for managing and processing data. However, versions 2.7.5 to 2.7.6, 2.8.3 to 2.8.4, and 2.9.0 to 2.9.1 of the package are vulnerable to an improper privilege management issue.

Vulnerability Detail

The vulnerability in org.apache.hadoop:hadoop-main allows for incorrect blocking or granting of access to users if the system uses non-default groups mapping mechanisms. This can result in unauthorized access to sensitive data or the incorrect denial of access to legitimate users. The issue has a CVSS score of 7.4, indicating a high severity level.

How To Fix

Latest published version: 3.5.0 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.

>= 2.7.5, < 2.7.7 2.7.7
>= 2.8.3, < 2.8.5 2.8.5
>= 2.9.0, < 2.9.2 2.9.2

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.

Conclusion

The org.apache.hadoop:hadoop-main package is vulnerable to an improper privilege management issue that can result in unauthorized access to sensitive data or the incorrect denial of access to legitimate users. It is recommended to upgrade to the fixed versions mentioned above to mitigate this vulnerability. For further support, you can contact DevNack.com.

See every vulnerability recorded for org.apache.hadoop:hadoop-main →

FAQ

What is the impact of this vulnerability?

The vulnerability can lead to unauthorized access to sensitive data or the incorrect denial of access to legitimate users.

How can I check if my application is affected by this vulnerability?

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.