CVE-2021-26068

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

An endpoint in Atlassian Jira Server for Slack plugin from version 0.0.3 before version 2.0.15 allows remote attackers to execute arbitrary code via a template injection vulnerability.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-74

Affected software

Vendor	Product	Versions
Atlassian	Jira Server for Slack	>= 0.0.3, < unspecified; >= unspecified, < 2.0.15

References

https://confluence.atlassian.com/jira/jira-server-for-slack-security-advisory-17th-february-2021-1044091690.htmlPatch, Vendor Advisory
https://confluence.atlassian.com/jira/jira-server-for-slack-security-advisory-17th-february-2021-1044091690.htmlPatch, Vendor Advisory

Timeline

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

Related CVEs from 2021

CVE-2021-260695.3Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to download temporary files and enumerate CVE-2021-260707.2Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind-the-firewall protection of app-linked reso CVE-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 from CVE-2021-260724.3The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the c CVE-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 pac CVE-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 Ja CVE-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 befo CVE-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 C CVE-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, and CVE-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.