Atlassian has announced a critical vulnerability related to arbitrary file access that affects Jira Software Data Center and Confluence Data Center. This vulnerability, tracked as CVE-2026-21589, has a CVSS score of 9.3 and allows unauthenticated attackers to access specific files within the web root directories of the affected applications without needing valid credentials or accounts. […]

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Source: gbHackers
Source Link: https://gbhackers.com/atlassian-cve-2026-21589-flaw/