Atlassian Arbitrary File Access Vulnerability
CVE-2026-21589 is a critical arbitrary file access vulnerability affecting multiple Atlassian Data Center products, including Bitbucket, Confluence, Jira Software, Jira Service Management, Bamboo, Crowd, Crucible, and Fisheye. The vulnerability allows an unauthenticated remote attacker to access specific files within an affected application’s web root directory. Exploitation requires the attacker to …
