CVE-2021-26069

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to download temporary files and enumerate project keys via an Information Disclosure vulnerability in the /rest/api/1.0/issues/{id}/ActionsAndOperations API endpoint. The affected versions are before version 8.5.11, from version 8.6.0 before 8.13.3, and from version 8.14.0 before 8.15.0.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-74

Affected software

VendorProductVersions
AtlassianJira Server>= unspecified, < 8.5.11; >= 8.6.0, < unspecified; >= unspecified, < 8.13.3; >= 8.14.0, < unspecified; >= unspecified, < 8.15.0
AtlassianJira Data Center>= unspecified, < 8.5.11; >= 8.6.0, < unspecified; >= unspecified, < 8.13.3; >= 8.14.0, < unspecified; >= unspecified, < 8.15.0

References

Timeline

Published
Mar 22, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-260707.2Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind-the-firewall protection of app-linked resoCVE-2021-260713.5The SetFeatureEnabled.jspa resource in Jira Server and Data Center before version 8.5.13, from version 8.6.0 before version 8.13.5, and fromCVE-2021-260724.3The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the cCVE-2021-260737.7Broken Authentication in Atlassian Connect Express (ACE) from version 3.0.2 before version 6.6.0: Atlassian Connect Express is a Node.js pacCVE-2021-260746.5Broken Authentication in Atlassian Connect Spring Boot (ACSB) from version 1.1.0 before version 2.1.3: Atlassian Connect Spring Boot is a JaCVE-2021-260754.3The Jira importers plugin AttachTemporaryFile rest resource in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before CVE-2021-260763.7The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 befoCVE-2021-260778.8Broken Authentication in Atlassian Connect Spring Boot (ACSB) in version 1.1.0 before 2.1.3 and from version 2.1.4 before 2.1.5: Atlassian CCVE-2021-260786.1The number range searcher component in Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before version 8.13.6, andCVE-2021-260796.1The CardLayoutConfigTable component in Jira Server and Jira Data Center before version 8.5.15, and from version 8.6.0 before version 8.13.7,CVE-2021-260806.1EditworkflowScheme.jspa in Jira Server and Jira Data Center before version 8.5.14, and from version 8.6.0 before version 8.13.6, and from 8.CVE-2021-260815.3REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 befo
CVE-2021-26069: Medium severity, CVSS 5.3 | Vulnix