critical
CVE-2026-21589
Vulnerabilities
Critical Atlassian Flaw Lets Unauthenticated Attackers Read Files Across Eight Products
Atlassian patches CVE-2026-21589, a critical CVSS 9.3 flaw allowing unauthenticated attackers to access known files across Jira, Confluence, Bitbucket and five other Data Center products.
