A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication.
Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary file-access in multiple self-hosted Data Center products, including ...
Atlassian fixes a critical path traversal in 8 Data Center products that lets unauthenticated attackers read files if exact paths are known.
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