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High8.8Atlassian

High [CVE-2021-26068] endpoint in Atlassian Jira Server for Slack plugin from version 0.0.3 before version 2.0.15

This high-severity Atlassian advisory covers CVE-2021-26068 affecting Jira.

CVE-2021-26068 Published Feb 22, 2021Updated by vendor Jun 17, 2026
Affected products & platforms
AtlassianJira
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Summary

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.

Affected versions
  • 0.0.3

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 2.0.15

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 2.0.15. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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