Atlassian Multiple Products
CriticalSoftwareCVE-2026-21589
Actively exploited. Listed in CISA’s Known Exploited Vulnerabilities catalog: exploitation is observed, not theoretical.
What to do
Check the vendor advisory for the fixed version. This flaw is being actively exploited: patch now.
A security flaw affects Atlassian Multiple Products. Apply the vendor’s patch. It is being actively exploited: patch now.
What the flaw allows: See the advisory for the impact details.
- Ecosystem
- Application software
- Class
- Other
- Published on
- October 15, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.