What can a remote attacker do with CVE-2021-26086?

A remote attacker can read particular files on the affected Atlassian Jira Server and Data Center versions.

How severe is vulnerability CVE-2021-26086?

Vulnerability CVE-2021-26086 has a severity rating of 5.3 (medium).

Where can I find more information about vulnerability CVE-2021-26086?

You can find more information about vulnerability CVE-2021-26086 at the following references: [Packet Storm Security](http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html) and [Atlassian Jira Issue Tracker](https://jira.atlassian.com/browse/JRASERVER-72695).

Vulnerability/
CVE-2021-26086

medium

5.3

CWE

16/8/2021

30/3/2022

CVE-2021-26086: Path Traversal

Q: What is vulnerability CVE-2021-26086?

Vulnerability CVE-2021-26086 is a path traversal vulnerability in the /WEB-INF/web.xml endpoint of Atlassian Jira Server and Data Center.

First published: Mon Aug 16 2021(Updated: )

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Jira Data Center	<8.5.14
Atlassian Jira Data Center	>=8.6.0<8.13.6
Atlassian Jira Data Center	>=8.14.0<8.16.1
Atlassian Jira Server	<8.5.14
Atlassian Jira Server	>=8.6.0<8.13.6
Atlassian Jira Server	>=8.14.0<8.16.1

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Frequently Asked Questions

What is vulnerability CVE-2021-26086?
Vulnerability CVE-2021-26086 is a path traversal vulnerability in the /WEB-INF/web.xml endpoint of Atlassian Jira Server and Data Center.
What can a remote attacker do with CVE-2021-26086?
A remote attacker can read particular files on the affected Atlassian Jira Server and Data Center versions.
Which versions of Atlassian Jira Server and Data Center are affected by CVE-2021-26086?
The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.
How severe is vulnerability CVE-2021-26086?
Vulnerability CVE-2021-26086 has a severity rating of 5.3 (medium).
Where can I find more information about vulnerability CVE-2021-26086?
You can find more information about vulnerability CVE-2021-26086 at the following references: [Packet Storm Security](http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html) and [Atlassian Jira Issue Tracker](https://jira.atlassian.com/browse/JRASERVER-72695).

collector/nvd-index
agent/severity
agent/author
agent/event
vendor/atlassian
canonical/atlassian jira data center
version/atlassian jira data center/8.6.0
version/atlassian jira data center/8.14.0
canonical/atlassian jira server
version/atlassian jira server/8.6.0
version/atlassian jira server/8.14.0

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