CVE-2021-26086Atlassian Jira Server and Data Center Path Traversal Vulnerability

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.

5.3 MEDIUMEPSS 99.99%⚡ Known Exploited (CISA KEV)NVD: Published

Last updated: 2025-10-21 23:25 UTC

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
5.3	MEDIUM	3.1CISA-ADP	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CVE ID: CVE-2021-26086
Status: Published
Assigner (CNA): atlassian
Published: Aug 16, 2021
Last modified: 2025-10-21 23:25 UTC
Weaknesses: CWE-22

Sources

NVD (unavailable at last refresh)
CVE.org
CISA KEV
FIRST EPSS

Refreshed hourly from the sources above. Last fetched 2026-11-07 14:11 UTC.