Atlassian warns of critical file-access flaw in Jira, Confluence
Atlassian’s Critical File-Access Flaw Exposes Jira, Confluence Users to Potential Threats Atlassian, a leading provider of collaboration software, has issued a critical security warning for its self-hosted Data Center products, including Jira, Confluence, and Bitbucket. A vulnerability tracked as CVE-2026-21589 allows an attacker with knowledge of the target file’s exact name and path to access … Read more