Atlassian Jira Server and Data Center Server-Side Template Injection Vulnerability

Atlassian Jira Server and Data Center contain a server-side template injection vulnerability which can allow for remote code execution.

Published 8 Sep 2026Updated 8 Sep 20263 sources
CVSS 9.8 PoC CANDIDATE△ CISA KEV

What happened

Atlassian Jira Server and Data Center contain a server-side template injection vulnerability which can allow for remote code execution.

Affected versions

Jira Server and Data Center: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references